when should i cite sources in an academic essay

When to Cite a Source in a Paper

And What Is Common Knowledge?

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• Writing Research Papers
• Writing Essays
• English Grammar
• M.Ed., Education Administration, University of Georgia
• B.A., History, Armstrong State University

"Write an essay and back it up with facts."

How many times have you heard a teacher or professor say this? But many students might wonder what exactly counts as a fact, and what doesn't. That means they don't know when it is proper to cite a source, and when it's OK not to use a citation.

Dictionary.com states that a fact is:

• Something demonstrated to exist or known to have existed.

"Demonstrated" is a hint here. What the teacher means when she/he tells you to use facts is that you need to back up your claims with some evidence that supports your claims (sources). It's one trick that teachers use to make sure you actually use some references when you write a paper, instead of simply offering a list of your opinions.

This may sound easy, but it's actually tough sometimes to know when you need to back up a statement with evidence and when it is fine to leave a statement unsupported.

When to Cite a Source

You should use evidence ( citations ) any time you make a claim that is not based on a well-known fact or common knowledge. Here's a list of situations when your teacher would expect a citation:

• You make a specific claim that could be challenged--like London is the foggiest city in the world. 
• You quote somebody.
• You make a specific claim that is not common knowledge like the Indian Ocean is the youngest of the world's major oceans.
• You paraphrase information from a source (give the meaning but change the wording).
• Offer an authoritative (expert) opinion--like "germs cause pneumonia."
• You got an idea from somebody else, even through email or conversation.

Although there may be interesting facts that you have believed or know for many years, you will be expected to provide proof of those facts when you're writing a paper for school.

Examples of Claims You Should Support

• Hot water can freeze faster than cold water.
• Poodles are friendlier than Dalmatians.
• American Chestnut trees are nearly extinct.
• Eating while driving is more dangerous than talking on the cell phone while driving.
• Thomas Edison invented a vote counter.

When You Don't Need to Cite a Source

So how do you know when you do not need to cite a source? Common knowledge is basically a fact that practically everyone knows, like the fact that George Washington was a U.S. president.

More Examples of Common Knowledge or Well-Known Facts

• Bears hibernate in the winter.
• Fresh water freezes at 32 degrees F.
• Many trees shed their leaves in the fall.
• Some trees do not shed their leaves in the fall.
• Bears hibernate.

A well-known fact is something that many people know, but it is also something that a reader could look up easily if he/she didn't know.

• It's best to plant flowers in the early spring.
• Holland is famous for its tulips.
• Canada has a multilingual population.

If you're not really certain about something being common knowledge, you could give it the little sister test. If you have a younger sibling, ask him or her the subject you're pondering. If you get an answer, it could be common knowledge!

A Good Rule of Thumb

A good rule of thumb for any writer is to go ahead and use a citation when you're not certain whether or not the citation is necessary. The only risk in doing this is littering your paper with unnecessary citations that will drive your teacher crazy. Too many citations will give your teacher the impression that you are attempting to stretch your paper to a certain word count!

Simply trust your own best judgment and be honest with yourself. You'll get the hang of it soon!

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Looking for a book, article, database or something else for your research, what is plagiarism.

Plagiarism is defined as "a piece of writing that has been copied from someone else and is presented as being your own work" or "taking someone's words or ideas as if they were your own"  [ 1 ]

Plagiarism is a serious issue in the academic community. While plagiarism sometimes does occur intentionally, it also occurs because the writer doesn’t understand or does not know how to avoid it. Please visit our online tutorial:  Plagiarism 101  for an entertaining and interesting look at why people plagiarize and strategies to avoid it.

Plagiarism occurs when you use someone else’s ideas and PRETEND they are your own. Avoiding plagiarism doesn’t mean that you can never use other people’s ideas. It’s a widely known secret that in fact you CAN use other peoples’ ideas and even their words. For many research papers you NEED to do this in order to prove your own points. So use their ideas! Use their words! Professors expect to see in your writing that you’ve done your research and understand what the experts think when you formed your own opinions. The trick is to acknowledge who these expert ideas really belong to by CITING them!

So let’s assume you don’t want to plagiarize, you’ve given yourself enough time to do it right, but you’re still not sure about “putting things in your own words,” judging when to cite work, or how to cite it. Read on for more information and examples.

Why acknowledge sources?

Doing research for a paper is an exploration and learning process. By acknowledging our sources we show our reader the path we took to come to our conclusions. Citing the authors we read shows how we tied others’ research and ideas together and how we came to learn about and develop our own ideas and opinions.

Why should you cite your sources?

1. Citations reflect the careful and thorough work you have put into locating and exploring your sources.

2. Citations help readers understand the context of your argument and are a courtesy to the reader, who may share your interest in a particular area of study.

3. Citations allow you to acknowledge those authors who contributed to your learning and your work.

4. Citations, by illustrating your own learning process, also draw attention to the originality and legitimacy of your own ideas.

5. By citing sources you demonstrate your integrity and skill as a responsible student and participant in your field of study.  [2]

When to cite sources

While professors and scholars may have specific requirements based on the needs of their discipline, there are cases where you should  always  cite your sources.

1. Direct quotes of more than one word.  If the author’s words are powerful or you need to be specific for your argument, the authors’ words can be used as a direct quote.

2. Paraphrasing or summarizing.  If you want to use someone else’s idea to help you make your point or to support your own ideas, in this case you would “translate” the ideas into your own words.

3. Information which may be common knowledge  but still unfamiliar to your reader. This would also include statistical information which may be familiar information but still requires confirmation.

4. Not just books or articles  should be cited. Any source that you use for information can and should be cited including interviews, websites, TV programs, etc.

5. Whenever you are not sure  if something should be cited, err on the side of caution and cite sources.

Let’s look at some examples…

Direct quotes

How much you quote will determine how it appears in the body of your paper but whether it is one word or an entire paragraph, direct quotes need to be cited.

Lappe’s explanation of a "thin democracy"  [3]  addresses a number of basic flaws within our American society.

Global warming is being recognized as a major issue throughout the world and as Al Gore instructs, "it is time to make peace with our planet."  [4]

Paraphrasing or Summarizing

This involves translating what you have read (or heard) and putting it into your own words. Paraphrasing typically refers to putting an idea or passage into your own words. Summarizing involves capturing the main idea or reducing a detailed piece to a shorter and more general synopsis.

Here's an example:

"Instructors usually allow students to find their own topics for a major writing assignment; thus choose something of interest to you so you won’t get bored after a few days. At the same time, your chosen topic will need a scholarly perspective." [5]

Paraphrase : When students are permitted to select their own topic to write about they should choose one that is interesting to them. The topic should also be scholarly in nature so that students will be able to find appropriate research and resources on the topic.  [5]

Summary : Students should select writing topics that are interesting and also lend themselves to academic research.  [5]

A summary generally addresses the overall theme of a passage, article, opinion, etc. while a paraphrase generally restates a more specific thought or idea. The difference between summarizing and paraphrasing is sometimes obvious and sometimes subtle — do you see the difference?

Common Knowledge? Or Not?

Some basic facts are common knowledge and easily confirmed from a variety of sources. Statistics should always be cited, as well as opinions and less familiar facts. Information that is considered well-known within your field of study will also help determine if it is considered common or not. However, if you are not sure, cite it!

The University at Albany located in Albany, New York and is part of the State University of New York.

This is common knowledge and easily confirmed in a multitude of sources.

The State University of New York was officially established in February of 1948 and currently consists of 64 institutions. The University at Albany is one of ten University Centers that are part of the SUNY system.  [6]

While the SUNY system is well known and these facts are easily confirmed, specific historical information or statistics should be cited.

How to cite?

We’ve talked about plagiarism as well as why and when to cite. The next question is "How?"

There are  two things you need to know  from your professor.

The FIRST is how you will reference your sources within your paper. Generally you will use one of the following options:

• IN TEXT  citation is when your source author is included within the body of your paper. This acts as a reference to your 'Works Cited' page.
• END NOTES  format is used in this document. The cited idea or quote is noted with a number and the source is listed at the end of the paper.
• FOOT NOTES  format is similar to end notes however the citations are listed at the bottom of each page.

The SECOND thing you need to know is what Format and Style Guide to use. There are very specific rules about how to do this that are not included in this document. Your professor will tell you which s/he wants you to follow. The choices will typically be one of the following:

• MLA  Format and Style Guide (Modern Language Association)
• APA  Format and Style Guide (American Psychological Association)
• CHICAGO  Manual of Style

Please visit the University Libraries' Citation Basics research guide  for information and instructions on these style guides. Once you know what your professor wants you will need to follow the rules of that format accordingly.

[ 1 ]  "Plagiarism."  WordNet 3.0 . Princeton University. 03 Apr. 2008.  Dictionary.com http://dictionary.reference.com/browse/plagiarism .

[ 2 ] Adapted from "Sources and Citation at Dartmouth College." Dartmouth College. 1998. Retrieved 9 Feb 2009.  http://www.dartmouth.edu/~writing/sources/sources-citation.html

[ 3 ] Lappe, Frances Moore.  Getting a Grip.  Cambridge, MA : Small Planet Media, 2007.

[ 4 ] Gore, Al. "Nobel Prize Acceptance Speech."  Al’s Journal . December 10, 2007. Retrieved April 10, 2008  http://blog.algore.com/2007/12/nobel_prize_acceptance_speech.html

[ 5 ] Lester, James D. & James D. Lester Jr.  Writing Research Papers: A Complete Guide, 11th Ed.  New York: Pearson Education, 2005.

[ 6 ] "Short History of SUNY." The State University of New York. 2008. Retrieved April 25, 2008.  http://www.suny.edu/student/university_suny_history.cfm

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8-How to Cite Sources

4. When to Cite

Citing sources is often described as a straightforward, rule-based practice. But in fact, there are many gray areas around citation, and learning how to apply citation guidelines takes practice and education. If you are confused by it, you are not alone – in fact you might be doing some good thinking. Here are some guidelines to help you navigate citation practices.

Cite when you are directly quoting. This is the easiest rule to understand. If you are stating word-for-word what someone else has already written, you must put quotes around those words and you must give credit to the original author. Not doing so would mean that you are letting your reader believe these words are your own and represent your own effort.

Cite when you are summarizing and paraphrasing. This is a trickier area to understand. First of all, summarizing and paraphrasing are two related practices but they are not the same. Summarizing is when you read a text, consider the main points, and provide a shorter version of what you learned. Paraphrasing is when you restate what the original author said in your own words and in your own tone. Both summarizing and paraphrasing require good writing skills and an accurate understanding of the material you are trying to convey. Summarizing and paraphrasing are difficult to do when you are a beginning academic researcher, but these skills become easier to perform over time with practice.

Cite when you are citing something that is highly debatable. For example, if you want to claim that the Patriot Act has been an important tool for national security, you should be prepared to give examples of how it has helped and how experts have claimed that it has helped. Many U.S. citizens concerned that it violates privacy rights won’t agree with you, and they will be able to find commentary that the Patriot Act has been more harmful to the nation than helpful. You need to be prepared to show such skeptics that you have experts on your side, too.

Tip: Why Cite Sources?

This section covers how and when to cite sources. For a discussion of why to cite sources, see Ethical Use of Sources .

When Don’t You Cite?

Don’t cite when what you are saying is your own insight. As you learned in  The Purpose of Academic Argument , research involves forming opinions and insights around what you learn. You may be citing several sources that have helped you learn, but at some point you must integrate your own opinion, conclusion, or insight into the work. The fact that you are not citing it helps the reader understand that this portion of the work is your unique contribution developed through your own research efforts.

Don’t cite when you are stating common knowledge. What is common knowledge is sometimes difficult to discern. In general, quick facts like historical dates or events are not cited because they are common knowledge.

Examples of information that would not need to be cited include:

• The Declaration of Independence was signed in 1776.
• Barack Obama became the 44th president of the United States in January, 2009.

Some quick facts, such as statistics, are trickier. For example, the number of gun-related deaths per year probably should be cited, because there are a lot of ways this number could be determined (does the number include murder only, or suicides and accidents, as well?) and there might be different numbers provided by different organizations, each with an agenda about gun laws.

A guideline that can help with deciding whether or not to cite facts is to determine whether the same data is repeated in multiple sources. If it is not, it is best to cite.

The other thing that makes this determination difficult might be that what seems new and insightful to you might be common knowledge to an expert in the field. You have to use your best judgment, and probably err on the side of over-citing, as you are learning to do academic research. You can seek the advice of your instructor, a writing tutor, or a librarian. Knowing what is and is not common knowledge is a practiced skill that gets easier with time and with your own increased knowledge.

Tip: Why You Can’t Cite Wikipedia

You’ve likely been told at some point that you can’t cite Wikipedia, or any encyclopedia for that matter, in your scholarly work.

The reason is that such entries are meant to prepare you to do research, not be evidence of your having done it. Wikipedia entries, which are tertiary sources, are already a summary of what is known about the topic. Someone else has already done the labor of synthesizing lots of information into a concise and quick way of learning about the topic.

So while Wikipedia is a great shortcut for getting context, background, and a quick lesson on topics that might not be familiar to you, don’t quote, paraphrase, or summarize from it. Just use it to educate yourself.

Activity: To Cite or Not to Cite?

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Choosing & Using Sources: A Guide to Academic Research Copyright © 2015 by Teaching & Learning, Ohio State University Libraries is licensed under a Creative Commons Attribution 4.0 International License , except where otherwise noted.

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How to Write an Academic Essay with References and Citations

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Written by  Scribendi

If you're wondering how to write an academic essay with references, look no further. In this article, we'll discuss how to use in-text citations and references, including how to cite a website, how to cite a book, and how to cite a Tweet, according to various style guides.

You might need to cite sources when writing a paper that references other sources. For example, when writing an essay, you may use information from other works, such as books, articles, or websites. You must then inform readers where this information came from. Failure to do so, even accidentally, is plagiarism—passing off another person's work as your own.

You can avoid plagiarism and show readers where to find information by using citations and references. 

Citations tell readers where a piece of information came from. They take the form of footnotes, endnotes, or parenthetical elements, depending on your style guide. In-text citations are usually placed at the end of a sentence containing the relevant information. 

A reference list , bibliography, or works cited list at the end of a text provides additional details about these cited sources. This list includes enough publication information allowing readers to look up these sources themselves.

Referencing is important for more than simply avoiding plagiarism. Referring to a trustworthy source shows that the information is reliable. Referring to reliable information can also support your major points and back up your argument. 

Learning how to write an academic essay with references and how to use in-text citations will allow you to cite authors who have made similar arguments. This helps show that your argument is objective and not entirely based on personal biases.

How Do You Determine Which Style Guide to Use?

Often, a professor will assign a style guide. The purpose of a style guide is to provide writers with formatting instructions. If your professor has not assigned a style guide, they should still be able to recommend one. 

If you are entirely free to choose, pick one that aligns with your field (for example, APA is frequently used for scientific writing). 

Some of the most common style guides are as follows:

AP style for journalism

Chicago style for publishing

APA style for scholarly writing (commonly used in scientific fields)

MLA style for scholarly citations (commonly used in English literature fields)

Some journals have their own style guides, so if you plan to publish, check which guide your target journal uses. You can do this by locating your target journal's website and searching for author guidelines.

How Do You Pick Your Sources?

When learning how to write an academic essay with references, you must identify reliable sources that support your argument. 

As you read, think critically and evaluate sources for:

Objectivity

Keep detailed notes on the sources so that you can easily find them again, if needed.

Tip: Record these notes in the format of your style guide—your reference list will then be ready to go.

How to Use In-Text Citations in MLA

An in-text citation in MLA includes the author's last name and the relevant page number: 

(Author 123)

How to Cite a Website in MLA

Here's how to cite a website in MLA:

Author's last name, First name. "Title of page."

Website. Website Publisher, date. Web. Date

retrieved. <URL>

With information from a real website, this looks like:

Morris, Nancy. "How to Cite a Tweet in APA,

Chicago, and MLA." Scribendi. Scribendi

Inc., n.d. Web. 22 Dec. 2021.

<https://www.scribendi.com/academy/articles/how_to_cite_a_website.en.html>

How Do You Cite a Tweet in MLA ?

MLA uses the full text of a short Tweet (under 140 characters) as its title. Longer Tweets can be shortened using ellipses. 

MLA Tweet references should be formatted as follows:

@twitterhandle (Author Name). "Text of Tweet." Twitter, Date Month, Year, time of

publication, URL.

With information from an actual Tweet, this looks like:

@neiltyson (Neil deGrasse Tyson). "You can't use reason to convince anyone out of an

argument that they didn't use reason to get into." Twitter, 29 Sept. 2020, 10:15 p.m.,

https://twitter.com/neiltyson/status/1311127369785192449 .

How to Cite a Book in MLA

Here's how to cite a book in MLA:

Author's last name, First name. Book Title. Publisher, Year.

With publication information from a real book, this looks like:

Montgomery, L.M. Rainbow Valley. Frederick A. Stokes Company, 1919.

How to Cite a Chapter in a Book in MLA

Author's last name, First name. "Title of Chapter." Book Title , edited by Editor Name,

Publisher, Year, pp. page range.

With publication information from an actual book, this looks like:

Ezell, Margaret J.M. "The Social Author: Manuscript Culture, Writers, and Readers." The

Broadview Reader in Book History , edited by Michelle Levy and Tom Mole, Broadview

Press, 2015,pp. 375–394.

How to  Cite a Paraphrase in MLA

You can cite a paraphrase in MLA exactly the same way as you would cite a direct quotation. 

Make sure to include the author's name (either in the text or in the parenthetical citation) and the relevant page number.

How to Use In-Text Citations in APA

In APA, in-text citations include the author's last name and the year of publication; a page number is included only if a direct quotation is used: 

(Author, 2021, p. 123)

How to Cite a Website in APA

Here's how to cite a website in APA:

Author, A. A., & Author, B. B. (Year, Month. date of publication). Title of page. https://URL

Morris, N. (n.d.). How to cite a Tweet in APA, Chicago, and MLA. 

https://www.scribendi.com/academy/articles/how_to_cite_a_website.en.html       

Tip: Learn more about how to write an academic essay with  references to websites .

How Do You  Cite a Tweet in APA ?

APA refers to Tweets using their first 20 words. 

Tweet references should be formatted as follows:

Author, A. A. [@twitterhandle). (Year, Month. date of publication). First 20 words of the

Tweet. [Tweet] Twitter. URL

When we input information from a real Tweet, this looks like:

deGrasse Tyson, N. [@neiltyson]. (2020, Sept. 29). You can't use reason to convince anyone

out of an argument that they didn't use reason to get into. [Tweet] Twitter.

https://twitter.com/neiltyson/status/1311127369785192449

How to Cite a Book in APA

Here's how to cite a book in APA:   

Author, A. A. (Year). Book title. Publisher.

For a real book, this looks like:

Montgomery, L. M. (1919). Rainbow valley.

Frederick A. Stokes Company.

How to Cite a Chapter in a Book in APA

Author, A. A. (Year). Chapter title. In Editor Name (Ed.), Book Title (pp. page range).

With information from a real book, this looks like:

Ezell, M. J. M. (2014). The social author: Manuscript culture, writers, and readers. In

Michelle Levy and Tom Mole (Eds.), The Broadview Reader in Book History (pp. 375–

394). Broadview Press.

Knowing how to cite a book and how to cite a chapter in a book correctly will take you a long way in creating an effective reference list.

How to Cite a Paraphrase in APA

You can cite a paraphrase in APA the same way as you would cite a direct quotation, including the author's name and year of publication. 

In APA, you may also choose to pinpoint the page from which the information is taken.

Referencing is an essential part of academic integrity. Learning how to write an academic essay with references and how to use in-text citations shows readers that you did your research and helps them locate your sources.

Learning how to cite a website, how to cite a book, and how to cite a paraphrase can also help you avoid plagiarism —an academic offense with serious consequences for your education or professional reputation.

Scribendi can help format your citations or review your whole paper with our Academic Editing services .

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Scribendi's in-house editors work with writers from all over the globe to perfect their writing. They know that no piece of writing is complete without a professional edit, and they love to see a good piece of writing transformed into a great one. Scribendi's in-house editors are unrivaled in both experience and education, having collectively edited millions of words and obtained numerous degrees. They love consuming caffeinated beverages, reading books of various genres, and relaxing in quiet, dimly lit spaces.

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Harvard Guide to Using Sources 

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• Citing Sources

Citations provide information to help your audience locate the sources you consulted when writing a paper or preparing a presentation. Some of your instructors will specify which citation format you should use; others will tell you to choose your own citation format as long as you use it consistently. The most common citation formats are MLA (Modern Language Association) style, which is primarily used for papers in the humanities; APA (American Psychological Association) style, which is primarily used for papers in the social sciences; and Chicago style (The Chicago Manual of Style), which is used for both humanities and social science papers.

Some of your courses at Harvard will require you to use other citation formats. Some science courses may require you to use the citation style of the American Medical Association (AMA). AMA style is considered a standard citation format for academic writing in the sciences and is used in many textbooks and medical journals. The AMA Manual of Style is available online . The American Chemical Society publishes its own style guide , which you may be asked to use in chemistry courses. The Harvard Department of Economics provides students with a departmental style guide, which you can find  here . If you are not sure which format to use for a specific course, consult your instructor.

Both APA and MLA styles require you to credit your sources in two ways. First, you must include a parenthetical citation in the text of your paper that indicates the source of a particular quotation, paraphrased statement or idea, or fact; second, you must include a list of references at the end of your paper that enables readers to locate the sources you have used. You can read more about MLA style here and APA style here .

Chicago style also requires you to credit your sources both in the text and at the end of your paper. Chicago offers guidance on two types of in-text citations–notes or parenthetical citations. You can read more about Chicago style here .

If you have questions about which citation style to use, you should always check with your instructor.

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• Citing Sources

Citing Sources: What are citations and why should I use them?

What is a citation.

Citations are a way of giving credit when certain material in your work came from another source. It also gives your readers the information necessary to find that source again-- it provides an important roadmap to your research process. Whenever you use sources such as books, journals or websites in your research, you must give credit to the original author by citing the source. 

Why do researchers cite?

Scholarship is a conversation  and scholars use citations not only to  give credit  to original creators and thinkers, but also to  add strength and authority  to their own work.  By citing their sources, scholars are  placing their work in a specific context  to show where they “fit” within the larger conversation.  Citations are also a great way to  leave a trail  intended to help others who may want to explore the conversation or use the sources in their own work.

In short, citations

(1) give credit

(2) add strength and authority to your work

(3) place your work in a specific context

(4) leave a trail for other scholars

"Good citations should reveal your sources, not conceal them. They should honeslty reflect the research you conducted." (Lipson 4)

Lipson, Charles. "Why Cite?"  Cite Right: A Quick Guide to Citation Styles--MLA, APA, Chicago, the Sciences, Professions, and More . Chicago: U of Chicago, 2006. Print.

What does a citation look like?

Different subject disciplines call for citation information to be written in very specific order, capitalization, and punctuation. There are therefore many different style formats. Three popular citation formats are MLA Style (for humanities articles) and APA or Chicago (for social sciences articles).

MLA style (print journal article):  

Whisenant, Warren A. "How Women Have Fared as Interscholastic Athletic Administrators Since the Passage of Title IX." Sex Roles Vol. 49.3 (2003): 179-182.

APA style (print journal article):

Whisenant, W. A. (2003) How Women Have Fared as Interscholastic Athletic Administrators Since the Passage of Title IX. Sex Roles , 49 (3), 179-182.

Chicago style (print journal article):

Whisenant, Warren A. "How Women Have Fared as Interscholastic Athletic Administrators Since the Passage of Title IX." Sex Roles 49, no. 3 (2003): 179-182.

No matter which style you use, all citations require the same basic information:

• Author or Creator
• Container (e.g., Journal or magazine, website, edited book)
• Date of creation or publication
• Publisher 

You are most likely to have easy access to all of your citation information when you find it in the first place. Take note of this information up front, and it will be much easier to cite it effectively later.

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Table of Contents

Ai, ethics & human agency, collaboration, information literacy, writing process, chapter: citation guide - learn how to cite sources in academic and professional writing.

November 28, 2023

Citation – How to Connect Evidence to Your Claims

Many emerging writers struggle with connecting sourced material to their claims and to their thesis. Oftentimes, this is because they’re too close to their work and think that the connection between claim and evidence is completely apparent to the reader. Even if the connection is readily visible, authors should still follow up a piece of ...

October 22, 2023

Citation Conventions – What is the Role of Citation in Academic & Professional Writing?

What is the Role of Citation in Academic & Professional Writing? Citation serves as a method for humankind to keep track of scholarly conversation and the evolution of human knowledge Human knowledge is shaped by conversation. To make meaning — to develop new ideas and test old ideas — we engage in self talk and ...

October 3, 2023

Citation Conventions – When Are Citations Required in Academic & Professional Writing?

When are Citations Required? Here’s when you should ensure you cite: Ethical Implications Not citing under the above circumstances can lead to

March 2, 2020

Quotation – When & How to Use Quotes in Your Writing

What is a Quotation? A quotation refers to the precise replication of words or phrases from another source, embedded within one’s own writing or speech. To distinguish these directly borrowed elements from original content, writers use quotation marks. Additionally, they provide citations or footnotes to trace back to the original source, maintaining the integrity of ...

February 25, 2020

Citation Guide – Learn How to Cite Sources in Academic and Professional Writing

For writers, learning how to cite sources in academic and professional writing is twofold: one aspect is rule-bound and procedural, while the other is open-ended and creative: Key Concepts: Academic Dishonesty; Attribution; Evidence; Information, Data; Archive; Epistemology; Plagiarism; Textual Research; Symbol Analyst; The CRAAP Test Introduction Citation — the act of informing your audience when ...

January 18, 2020

Paraphrasing – How to Paraphrase with Clarity & Concision

What Is a Paraphrase? Paraphrase refers to the act of rephrasing a specific part of someone’s spoken or written words, especially in a way that might be shorter or simpler, while ensuring the original meaning remains intact. Paraphrase involves more than just changing individual words with synonyms, altering sentence structure, or reordering sentences. It requires ...

July 25, 2013

Synthesizing Your Research Findings

Synthesis is something you already do in your everyday life.  For example, if you are shopping for a new car, the research question you are trying to answer is, "Which car should I buy"?  You explore available models, prices, options, and consumer reviews, and you make comparisons.  For example:  Car X costs more than car Y but gets better mileage.  Or:  Reviewers A, B, and C all prefer Car X, but their praise is based primarily on design features that aren’t important to you.  It is this analysis  across  sources that moves you towards an answer to your question.

Early in an academic research project you are likely to find yourself making initial comparisons—for example, you may notice that Source A arrives at a conclusion very different from that of Source B—but the task of synthesis will become central to your work when you begin drafting your research paper or presentation. 

June 25, 2012

When to Paraphrase

Academic writing requires authors to connect information from outside sources to their own ideas in order to establish credibility and produce an effective argument.

Sometimes, the rules surrounding source integration and plagiarism may seem confusing, so many new writers err on the side of caution by using the simplest form of integration: direct quotation. However, using direct quotes is not always the best way to use a source. Paraphrasing or summarizing a text is sometimes a more effective means of supporting a writer’s argument than directly quoting. Taking into consideration the purpose of their own writing and the purpose of utilizing the outside source, authors should seek to vary the ways in which they work sources into their own writing.

April 26, 2012

Block Quotations

When should a block quotation be used.

When a writer chooses to include a long quotation—one that takes up four or more lines of text—it must be set off as a free standing block. As with any quotation a writer employs as evidence, the original text should contain relevant and compelling ideas that are expressed in vivid and concise language.

Block quotations should be used sparingly in longer essays and articles (multiple pages) and rarely in shorter works (1,500 words or less). Lengthy, wordy quotations should never be used simply to fill pages when the writer has little to say about the topic or issue.

April 19, 2012

Omitting Words from a Direct Quotation

What punctuation should be used when words are omitted from a direct quotation.

Dot com. Dot org. Dot edu. Dots abound. One purpose a dot serves is to separate information into easily-interpreted units: a website name from its extension, dollars from cents, or one idea from another in written text. Almost everyone is familiar with the dot placed at the end of a sentence—that everyday form of punctuation known as a period. A less common punctuation mark, often used in academic writing, is a series of three dots called ellipsis points.

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Quick guide to Harvard referencing (Cite Them Right)

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There are different versions of the Harvard referencing style. This guide is a quick introduction to the commonly-used Cite Them Right version. You will find further guidance available through the OU Library on the Cite Them Right Database .

For help and support with referencing and the full Cite Them Right guide, have a look at the Library’s page on referencing and plagiarism . If you need guidance referencing OU module material you can check out which sections of Cite Them Right are recommended when referencing physical and online module material .

This guide does not apply to OU Law undergraduate students . If you are studying a module beginning with W1xx, W2xx or W3xx, you should refer to the Quick guide to Cite Them Right referencing for Law modules .

Table of contents

In-text citations and full references.

• Secondary referencing
• Page numbers
• Citing multiple sources published in the same year by the same author

Full reference examples

Referencing consists of two elements:

• in-text citations, which are inserted in the body of your text and are included in the word count. An in-text citation gives the author(s) and publication date of a source you are referring to. If the publication date is not given, the phrase 'no date' is used instead of a date. If using direct quotations or you refer to a specific section in the source you also need the page number/s if available, or paragraph number for web pages.
• full references, which are given in alphabetical order in reference list at the end of your work and are not included in the word count. Full references give full bibliographical information for all the sources you have referred to in the body of your text.

To see a reference list and intext citations check out this example assignment on Cite Them Right .

Difference between reference list and bibliography

a reference list only includes sources you have referred to in the body of your text

a bibliography includes sources you have referred to in the body of your text AND sources that were part of your background reading that you did not use in your assignment

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Examples of in-text citations

You need to include an in-text citation wherever you quote or paraphrase from a source. An in-text citation consists of the last name of the author(s), the year of publication, and a page number if relevant. There are a number of ways of incorporating in-text citations into your work - some examples are provided below. Alternatively you can see examples of setting out in-text citations in Cite Them Right .

Note: When referencing a chapter of an edited book, your in-text citation should give the author(s) of the chapter.

Online module materials

(Includes written online module activities, audio-visual material such as online tutorials, recordings or videos).

When referencing material from module websites, the date of publication is the year you started studying the module.

Surname, Initial. (Year of publication/presentation) 'Title of item'. Module code: Module title . Available at: URL of VLE (Accessed: date).

OR, if there is no named author:

The Open University (Year of publication/presentation) 'Title of item'. Module code: Module title . Available at: URL of VLE (Accessed: date).

Rietdorf, K. and Bootman, M. (2022) 'Topic 3: Rare diseases'. S290: Investigating human health and disease . Available at: https://learn2.open.ac.uk/mod/oucontent/view.php?id=1967195 (Accessed: 24 January 2023).

The Open University (2022) ‘3.1 The purposes of childhood and youth research’. EK313: Issues in research with children and young people . Available at: https://learn2.open.ac.uk/mod/oucontent/view.php?id=1949633&section=1.3 (Accessed: 24 January 2023).

You can also use this template to reference videos and audio that are hosted on your module website:

The Open University (2022) ‘Video 2.7 An example of a Frith-Happé animation’. SK298: Brain, mind and mental health . Available at: https://learn2.open.ac.uk/mod/oucontent/view.php?id=2013014&section=4.9.6 (Accessed: 22 November 2022).

The Open University (2022) ‘Audio 2 Interview with Richard Sorabji (Part 2)’. A113: Revolutions . Available at: https://learn2.open.ac.uk/mod/oucontent/view.php?id=1960941&section=5.6 (Accessed: 22 November 2022).

Note: if a complete journal article has been uploaded to a module website, or if you have seen an article referred to on the website and then accessed the original version, reference the original journal article, and do not mention the module materials. If only an extract from an article is included in your module materials that you want to reference, you should use secondary referencing, with the module materials as the 'cited in' source, as described above.

Surname, Initial. (Year of publication) 'Title of message', Title of discussion board , in Module code: Module title . Available at: URL of VLE (Accessed: date).

Fitzpatrick, M. (2022) ‘A215 - presentation of TMAs', Tutor group discussion & Workbook activities , in A215: Creative writing . Available at: https://learn2.open.ac.uk/mod/forumng/discuss.php?d=4209566 (Accessed: 24 January 2022).

Note: When an ebook looks like a printed book, with publication details and pagination, reference as a printed book.

Surname, Initial. (Year of publication) Title . Edition if later than first. Place of publication: publisher. Series and volume number if relevant.

For ebooks that do not contain print publication details

Surname, Initial. (Year of publication) Title of book . Available at: DOI or URL (Accessed: date).

Example with one author:

Bell, J. (2014) Doing your research project . Maidenhead: Open University Press.

Adams, D. (1979) The hitchhiker's guide to the galaxy . Available at: http://www.amazon.co.uk/kindle-ebooks (Accessed: 23 June 2021).

Example with two or three authors:

Goddard, J. and Barrett, S. (2015) The health needs of young people leaving care . Norwich: University of East Anglia, School of Social Work and Psychosocial Studies.

Example with four or more authors:

Young, H.D. et al. (2015) Sears and Zemansky's university physics . San Francisco, CA: Addison-Wesley.

Note: You can choose one or other method to reference four or more authors (unless your School requires you to name all authors in your reference list) and your approach should be consistent.

Note: Books that have an editor, or editors, where each chapter is written by a different author or authors.

Surname of chapter author, Initial. (Year of publication) 'Title of chapter or section', in Initial. Surname of book editor (ed.) Title of book . Place of publication: publisher, Page reference.

Franklin, A.W. (2012) 'Management of the problem', in S.M. Smith (ed.) The maltreatment of children . Lancaster: MTP, pp. 83–95.

Surname, Initial. (Year of publication) 'Title of article', Title of Journal , volume number (issue number), page reference.

If accessed online:

Surname, Initial. (Year of publication) 'Title of article', Title of Journal , volume number (issue number), page reference. Available at: DOI or URL (if required) (Accessed: date).

Shirazi, T. (2010) 'Successful teaching placements in secondary schools: achieving QTS practical handbooks', European Journal of Teacher Education , 33(3), pp. 323–326.

Shirazi, T. (2010) 'Successful teaching placements in secondary schools: achieving QTS practical handbooks', European Journal of Teacher Education , 33(3), pp. 323–326. Available at: https://libezproxy.open.ac.uk/login?url=https://search.ebscohost.com/log... (Accessed: 27 January 2023).

Barke, M. and Mowl, G. (2016) 'Málaga – a failed resort of the early twentieth century?', Journal of Tourism History , 2(3), pp. 187–212. Available at: https://doi.org/10.1080/1755182X.2010.523145

Surname, Initial. (Year of publication) 'Title of article', Title of Newspaper , Day and month, Page reference.

Surname, Initial. (Year of publication) 'Title of article', Title of Newspaper , Day and month, Page reference if available. Available at: URL (Accessed: date).

Mansell, W. and Bloom, A. (2012) ‘£10,000 carrot to tempt physics experts’, The Guardian , 20 June, p. 5.

Roberts, D. and Ackerman, S. (2013) 'US draft resolution allows Obama 90 days for military action against Syria', The Guardian , 4 September. Available at: http://www.theguardian.com/world/2013/sep/04/syria-strikes-draft-resolut... (Accessed: 9 September 2015).

Surname, Initial. (Year that the site was published/last updated) Title of web page . Available at: URL (Accessed: date).

Organisation (Year that the page was last updated) Title of web page . Available at: URL (Accessed: date).

Robinson, J. (2007) Social variation across the UK . Available at: https://www.bl.uk/british-accents-and-dialects/articles/social-variation... (Accessed: 21 November 2021).

The British Psychological Society (2018) Code of Ethics and Conduct . Available at: https://www.bps.org.uk/news-and-policy/bps-code-ethics-and-conduct (Accessed: 22 March 2019).

Note: Cite Them Right Online offers guidance for referencing webpages that do not include authors' names and dates. However, be extra vigilant about the suitability of such webpages.

Surname, Initial. (Year) Title of photograph . Available at: URL (Accessed: date).

Kitton, J. (2013) Golden sunset . Available at: https://www.jameskittophotography.co.uk/photo_8692150.html (Accessed: 21 November 2021).

stanitsa_dance (2021) Cossack dance ensemble . Available at: https://www.instagram.com/p/COI_slphWJ_/ (Accessed: 13 June 2023).

Note: If no title can be found then replace it with a short description.

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Why cite sources in your academic writing, to become a more mature thinker.

When writing an essay, it can sometimes feel as if you’re including quotations merely to back up your argument or to fulfill a requirement to use a certain number of sources. Each of these motives can lead you to drop sources into a pre-set argument, with little real interplay between the sources’ ideas and your own. Although it may sometimes feel like an exercise, using sources in your writing is not an end in itself, not a skill to learn in isolation. Instead, most teachers ask you to use sources because they know that your own thinking will be enhanced when you consult the ideas of previous writers on a topic. Seen in this light, sources can help you develop and deepen your ideas as early as the brainstorming and drafting stages. Think of yourself as having a conversation with the sources—when you move back and forth between your own thinking and what sources have to say, you push your ideas further than you would by going it alone. The resulting essay should give your reader the sense that you’re joining an ongoing conversation, that you respect other thinkers, and that you’re adding something new to the conversation.

If there’s one fundamental misunderstanding that many student writers have about acknowledging sources, it’s that doing so lessens the impact of the writer’s own contribution. In nearly every case, the effect will be the opposite: it’s when you most clearly signal your debt to sources that your own thinking becomes most visible. Academic scholarship, at its heart, is about the interplay of ideas. The best research is not, in that sense, wholly original, but rather develops from previous discoveries. In assessing his accomplishments, Isaac Newton once wrote to a friend that: “If I have seen further, it is by standing on the shoulders of giants.” (Newton, in fact, was incorporating an idea voiced by Bernard of Chartres in the 12th century.) Incorporating other people’s ideas into your writing allows you to stand on their shoulders as you explore your topic.

To Recreate a Sense of Lively Debate and to Establish Intellectual Context

You may be used to relying on sources primarily for information, but essays that engage with claims or ideas about a subject—as well as introducing relevant information—allow you to join the conversation on the liveliest terms. When you do incorporate sources, it can be tempting to use only quotations that support your own ideas. But while it can be helpful to refer to writers with whom you agree, sometimes the most effective sources are those from which you differ. Introducing claims and concepts from sources and acknowledging thoughtful dissent puts your ideas in a dynamic and contested framework. By showing that knowledge is dynamic, you show that there is something worth debating or analyzing further.

Your sources also convey information about the intellectual context of your research. Although the content of a quotation is what’s most important, the very sources of the ideas or information you use will help an educated reader understand the implications of your argument. When you establish this context for your ideas, you create a space in which your reader can think in a new way about an established problem or question.

To Give Credit Where It’s Due

Most students are familiar with this reason for citing sources: just as you want credit for your writing and ideas, other writers deserve credit for their work. For one thing, recognition is often the only or the primary reward for scholarship. But, more importantly, giving credit allows you to claim your own contribution. The very project of a university education consists of joining an ongoing conversation about ideas that began in Antiquity. You cannot participate in this exchange if you are not clear about how other voices have influenced your own. It takes most people many years to develop a rich and complex voice in conversation with sources. But you can begin to develop this voice by always marking the boundaries between the source and your reflections on it.

To Lead Us to Further Research

Academics conceive of scholarship as an ongoing and collaborative enterprise. Rather than try to invent a field from scratch, we read what others have discovered and try to build on or extend it in our own work. One scholar’s sources can therefore be an invaluable contribution to another’s research. So while we read your work looking for your original ideas, we also want help knowing how to pursue related questions. In this way, acknowledging your sources greatly enhances your paper’s value, as it shows readers where they might look to test, explore, and extend your conclusions.

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Academic Honesty and Avoiding Plagiarism

• When Do You Need to Cite?
• Introduction
• What is Plagiarism?
• What is Citation?

To Cite or Not to Cite?

What is common knowledge, paraphrasing, what does paraphrasing look like, citing generative a.i..

• What Citation Style Do I Use?
• Citation in speeches and presentations
• To Cite or Not Cite? That is the Question!
• What is Academic Dishonesty?
• How Do I Avoid Academic Dishonesty?
• What are the Consequences of Academic Dishonesty?
• Test Your Knowledge
• Questions? Ask a Librarian!

Common knowledge is general facts and principles about the world we live in. We know that the  world is round , that  fish swim in the ocean , and that there are  365 days in a year . Information like this would not need to be cited.

Common knowledge can shift depending on the  context  of the situation. Information that is considered common knowledge for a  specific field or college class may be more in-depth  than information that is common knowledge to the general public.

Now... imagine you are a U.S. History student writing a paper on Alexander Hamilton. Which statements below would NOT be considered common knowledge and would have to be cited? Click on the sentence below that you think needs a citation.

Alexander Hamilton was one of the founding fathers of the United States . He believed in a strong central government. He successfully argued that the implied powers of the Constitution provided the legal authority to fund the national debt and assume states' debts.

(Sources: Community College of Vermont  Hartness  Library. (n.d.). Avoiding Plagiarism .  and "Alexander Hamilton Biography."  Biography.com ,)

Incorrect, this sentence would not need a citation, as this information would be common knowledge to a U.S. History student.

Incorrect, this sentence would not need a citation, as this information would be common knowledge to a U.S. History student.

Correct, this sentences requires citation, as this is not common information.

Quoting is using the EXACT wording of the source material . Direct quotations should be used sparingly , and should be used to strengthen your own arguments and ideas. Some valid reasons for quoting include:

• When not using the author's exact wording would change the original meaning
• To lend authority to the point you are trying to make
• When the language of the quote is significant

(Image: Dombrowski, Q. (2010, June 10). The “library”  . Retrieved from Flikr.)

Word to the Wise

Paraphrasing is when you create your own wording of essential information and ideas expressed by someone else without directly quoting. Paraphrasing is similar to summarizing, however summaries only include the essential ideas of a work, while paraphrasing includes more details. 

Since your paper should only use direct quotations sparingly, you'll probably be paraphrasing frequently. Just remember that you still need to express plenty of your own ideas. Use paraphrasing to support those ideas, and be mindful that you still need to cite paraphrased portions of your paper .

Click on the attempts at paraphrasing below to see which one is an acceptable paraphrase.

Paraphrasing Attempt 1: America has now gone too far toward formal testing, without realizing the costs and limitations of exclusively emphasizing that approach (Gardner 179).

Paraphrasing Attempt 2: In the United States, the education system places too much emphasis on formal testing, overlooking the limitations and expenses imposed when that assessment strategy is employed exclusively (Gardner 179).

Although the source is cited, the paraphrasing is too close to the original statement as it retained too much of the original wording and sentence structure.

This paraphrase is different enough from the original source that it would not be considered plagiarism, so long as Gardner is credited.

(Quotes: Gardner, Howard. Multiple Intelligences: New Horizons in Theory and Practice . BasicBooks, 2006.)

• How do I cite generative AI in MLA style? The MLA’s method for citing sources uses a template of core elements—standardized criteria writers can use to evaluate sources and create works-cited-list entries based on that evaluation. That new technologies like ChatGPT emerge is a key reason why the MLA has adopted this approach to citation—to give writers flexibility to apply the style when they encounter new types of sources.
• How do I cite ChatGPT in APA style? If you’ve used ChatGPT or other AI tools in your research, describe how you used the tool in your Method section or a comparable area of your paper. You might explain how you used the device in your introduction for literature reviews or other types of essays or response or reaction papers. In your text, provide the prompt you used and any portion of the relevant text generated in response.
• AMA: "ChatGPT shouldn’t be listed as JAMA author" "ChatGPT has incredible potential to help physicians when it comes to fulfilling daily tasks. It can also be used as a resource to guide a physician through the content creation process for a journal article, but it should not be the content creator itself."
• << Previous: What is Citation?
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• Last Updated: Mar 5, 2024 9:58 AM
• URL: https://library.mc3.edu/plagiarism

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Using Evidence: Citing Sources Properly

Citing sources properly is essential to avoiding plagiarism in your writing. Not citing sources properly could imply that the ideas, information, and phrasing you are using are your own, when they actually originated with another author. Plagiarism doesn't just mean copy and pasting another author's words. Review Amber's blog post, "Avoiding Unintentional Plagiarism," for more information! Plagiarism can occur when authors:

• Do not include enough citations for paraphrased information,
• Paraphrase a source incorrectly,
• Do not use quotation marks, or
• Directly copy and paste phrasing from a source without quotation marks or citations.

Read more about how to avoid these types of plagiarism on the following subpages and review the Plagiarism Detection & Revision Skills video playlist on this page. For more information on avoiding plagiarism, see our Plagiarism Prevention Resource Kit .

Also make sure to consult our resources on citations to learn about the correct formatting for citations.

What to Consider

Citation issues can appear when writers use too much information from a source, rather than including their own ideas and commentary on sources' information. Here are some factors to consider when citing sources:

Remember that the cited material should illustrate rather than substitute for your point. Make sure your paper is more than a collection of ideas from your sources; it should provide an original interpretation of that material. For help with creating this commentary while also avoiding personal opinion, see our Commentary vs. Opinion resource.

The opening sentence of each paragraph should be your topic sentence , and the final sentence in the paragraph should conclude your point and lead into the next. Without these aspects, you leave your reader without a sense of the paragraph's main purpose. Additionally, the reader may not understand your reasons for including that material.

All material that you cite should contribute to your main argument (also called a thesis or purpose statement). When reading the literature, keep that argument in mind, noting ideas or research that speaks specifically to the issues in your particular study. See our synthesis demonstration for help learning how to use the literature in this way.

Most research papers should include a variety of sources from the last 3-5 years. You may find one particularly useful study, but try to balance your references to that study with research from other authors. Otherwise, your paper becomes a book report on that one source and lacks richness of theoretical perspective.

Direct quotations are best avoided whenever possible. While direct quotations can be useful for illustrating a rhetorical choice of your author, in most other cases paraphrasing the material is more appropriate. Using your own words by paraphrasing will better demonstrate your understanding and will allow you to emphasize the ways in which the ideas contribute to your paper's main argument.

Plagiarism Detection & Revising Skills Video Playlist

Citing Sources Video Playlist

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A Quick Guide to Referencing | Cite Your Sources Correctly

Referencing means acknowledging the sources you have used in your writing. Including references helps you support your claims and ensures that you avoid plagiarism .

There are many referencing styles, but they usually consist of two things:

• A citation wherever you refer to a source in your text.
• A reference list or bibliography at the end listing full details of all your sources.

The most common method of referencing in UK universities is Harvard style , which uses author-date citations in the text. Our free Harvard Reference Generator automatically creates accurate references in this style.

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Table of contents

Referencing styles, citing your sources with in-text citations, creating your reference list or bibliography, harvard referencing examples, frequently asked questions about referencing.

Each referencing style has different rules for presenting source information. For in-text citations, some use footnotes or endnotes , while others include the author’s surname and date of publication in brackets in the text.

The reference list or bibliography is presented differently in each style, with different rules for things like capitalisation, italics, and quotation marks in references.

Your university will usually tell you which referencing style to use; they may even have their own unique style. Always follow your university’s guidelines, and ask your tutor if you are unsure. The most common styles are summarised below.

Harvard referencing, the most commonly used style at UK universities, uses author–date in-text citations corresponding to an alphabetical bibliography or reference list at the end.

Harvard Referencing Guide

Vancouver referencing, used in biomedicine and other sciences, uses reference numbers in the text corresponding to a numbered reference list at the end.

Vancouver Referencing Guide

APA referencing, used in the social and behavioural sciences, uses author–date in-text citations corresponding to an alphabetical reference list at the end.

APA Referencing Guide APA Reference Generator

MHRA referencing, used in the humanities, uses footnotes in the text with source information, in addition to an alphabetised bibliography at the end.

MHRA Referencing Guide

OSCOLA referencing, used in law, uses footnotes in the text with source information, and an alphabetical bibliography at the end in longer texts.

OSCOLA Referencing Guide

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In-text citations should be used whenever you quote, paraphrase, or refer to information from a source (e.g. a book, article, image, website, or video).

Quoting and paraphrasing

Quoting is when you directly copy some text from a source and enclose it in quotation marks to indicate that it is not your own writing.

Paraphrasing is when you rephrase the original source into your own words. In this case, you don’t use quotation marks, but you still need to include a citation.

In most referencing styles, page numbers are included when you’re quoting or paraphrasing a particular passage. If you are referring to the text as a whole, no page number is needed.

In-text citations

In-text citations are quick references to your sources. In Harvard referencing, you use the author’s surname and the date of publication in brackets.

Up to three authors are included in a Harvard in-text citation. If the source has more than three authors, include the first author followed by ‘ et al. ‘

The point of these citations is to direct your reader to the alphabetised reference list, where you give full information about each source. For example, to find the source cited above, the reader would look under ‘J’ in your reference list to find the title and publication details of the source.

Placement of in-text citations

In-text citations should be placed directly after the quotation or information they refer to, usually before a comma or full stop. If a sentence is supported by multiple sources, you can combine them in one set of brackets, separated by a semicolon.

If you mention the author’s name in the text already, you don’t include it in the citation, and you can place the citation immediately after the name.

• Another researcher warns that the results of this method are ‘inconsistent’ (Singh, 2018, p. 13) .
• Previous research has frequently illustrated the pitfalls of this method (Singh, 2018; Jones, 2016) .
• Singh (2018, p. 13) warns that the results of this method are ‘inconsistent’.

The terms ‘bibliography’ and ‘reference list’ are sometimes used interchangeably. Both refer to a list that contains full information on all the sources cited in your text. Sometimes ‘bibliography’ is used to mean a more extensive list, also containing sources that you consulted but did not cite in the text.

A reference list or bibliography is usually mandatory, since in-text citations typically don’t provide full source information. For styles that already include full source information in footnotes (e.g. OSCOLA and Chicago Style ), the bibliography is optional, although your university may still require you to include one.

Format of the reference list

Reference lists are usually alphabetised by authors’ last names. Each entry in the list appears on a new line, and a hanging indent is applied if an entry extends onto multiple lines.

Different source information is included for different source types. Each style provides detailed guidelines for exactly what information should be included and how it should be presented.

Below are some examples of reference list entries for common source types in Harvard style.

• Chapter of a book
• Journal article

Your university should tell you which referencing style to follow. If you’re unsure, check with a supervisor. Commonly used styles include:

• Harvard referencing , the most commonly used style in UK universities.
• MHRA , used in humanities subjects.
• APA , used in the social sciences.
• Vancouver , used in biomedicine.
• OSCOLA , used in law.

Your university may have its own referencing style guide.

If you are allowed to choose which style to follow, we recommend Harvard referencing, as it is a straightforward and widely used style.

References should be included in your text whenever you use words, ideas, or information from a source. A source can be anything from a book or journal article to a website or YouTube video.

If you don’t acknowledge your sources, you can get in trouble for plagiarism .

To avoid plagiarism , always include a reference when you use words, ideas or information from a source. This shows that you are not trying to pass the work of others off as your own.

You must also properly quote or paraphrase the source. If you’re not sure whether you’ve done this correctly, you can use the Scribbr Plagiarism Checker to find and correct any mistakes.

Harvard referencing uses an author–date system. Sources are cited by the author’s last name and the publication year in brackets. Each Harvard in-text citation corresponds to an entry in the alphabetised reference list at the end of the paper.

Vancouver referencing uses a numerical system. Sources are cited by a number in parentheses or superscript. Each number corresponds to a full reference at the end of the paper.

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How To Do In-Text Citations in MLA Format: A Quick Guide for Students

An in-text citation is a reference to information originating from another source. In-text citations must be used when you summarize, quote, paraphrase or refer to another source within a written document, such as academic literature. 

In-text citations are essential in academic writing. Without them, how would readers verify the information is reliable and accurate? Trustworthy authors include their sources for verifiable information rather than opinions so readers know where the evidence for claims can be explored further.

The Modern Language Association manages MLA style standards with the purpose to “strengthen the study and teaching of language and literature” and standardize how information sources are credited in scholarly writing. Not only does the MLA recommend proper citation format, but it also suggests proper general formatting, including document spacing, margins and font size.

As you begin authoring scholarly works, you’ll find the need to credit sources. Use this quick guide to learn how to do in-text citations in MLA format.

What is MLA format?

How to do in-text citations in mla, how to do a works cited page in mla, common challenges and solutions, tips for effective in-text citations.

MLA citation style is a system for crediting sources in scholarly writing and has been widely used in classrooms, journals and the press since 1931. What began with a three-page style sheet for the MLA’s scholarly journal became a uniform writing style preferred by academics and the editorial media everywhere.

Since its inception, the in-text citation style has changed from a recommended combination of footnotes and in-text citations in MLA format. The 1951 style guide suggested : “If the reference is brief, insert it, within parentheses, in the text itself . . . ; if it is lengthy, put it in a [foot]note.” As technology and society changed, so did the MLA style. In 1995, the document added recommendations for citing CD-ROMs and online databases. In 2016, the MLA published one of the most modern versions of the MLA Handbook , wherein in-text citations in MLA style should now be written according to a template of core elements.

The modern-day components of an in-text citation in MLA format, as of the ninth edition of the MLA Handbook , include:

• Author’s name
• Page numbers (if applicable)

These short in-text citations serve as references to a Works Cited list, which should follow a written piece of work and list all sources used in detail.

Authors who correctly use in-text citations in MLA style will prove their credibility, integrity and responsibility to share accurate and reliable information and simultaneously protect themselves from stealing sources and ideas from other writers, also known as plagiarism. Plagiarism is a severe offense , and many institutions have strict rules against the practice .

Now that you understand the importance of citations let’s review how to use in-text citations in MLA style. When referring to another author’s work in your own written text, you must use parenthetical citations, including the source in parentheses within the sentence that refers to the work. 

If a source does not have page numbers, use another numbering system, such as chapters, sections, scenes or articles that are explicitly numbered. If there are no numbered divisions within the work, simply cite the author’s name.

The basic format for in-text citations in MLA writings is as follows:

• The pail of water was at the top of the hill, which Jack and Jill decided to climb (Mother Goose 1) .

If including a direct quote from a source, enclose the entire quote within quotation marks to avoid confusing the reader. The in-text citation should fall outside the quotation marks at the end of the sentence before the sentence’s period. Paraphrased information does not need quotation marks but does need proper in-text citation.

It should be noted that any information included in your in-text citations must refer to the source information on the Works Cited page listed at the end of your document.

If you’re wondering how to list the references on the Works Cited page, the format varies depending on the type, such as a book or a website.

How to cite a book in MLA

• Author last name, first name. Title. Publisher, year.

How to cite an article in MLA

• Author last name, first name. “Article title.” Publication, volume/issue, publication month. Year, page numbers. Database, reference URL.

How to cite a website in MLA

• Author last name, first name. “Title.” Publication, publication month. Year, web page URL.

While constructing your paper, you may encounter a few citation challenges, such as a source with multiple authors or no known author. Though this can be confusing, this is how to use in-text citations in MLA style for challenging situations.

How to cite multiple authors in MLA

To write an in-text citation in MLA format for a source with multiple authors , simply list each author’s last name before the page number. Sources with more than two authors should cite the first author, followed by “et al.” For example:

• 2 authors: (Hall and Oates 1)
• 3+ authors: (Hall et al. 1)

How to cite sources with no author in MLA

Sources with no author must match the first listed element within its Works Cited entry. For example:

• In-text citation: (Baa, Baa, Black Sheep 0:15)
• Works Cited entry: “Baa, Baa, Black Sheep.” Spotify . https://open.spotify.com/track/1Zpe8ef70Wx20Bu2mLdXc1?si=7TlgCyj1SYmP6K-uy4isuQ

How to cite indirect or secondary sources in MLA

A secondary source is a publication that provides second-hand information from other researchers. You may use secondary sources in your research, though it’s best practice to search for the primary source that supplied the first-hand information, so cite it directly.

If you don’t have access to the original source, include the original author and the author of the secondary source , with the abbreviation “qtd. in” indicating where you accessed the secondary quote. “Qtd. in” stands for “quoted in.” For example:

• (qtd. in Baa, Baa, Black Sheep 0:15)

Using et al. in MLA citations

As described above, et al. is used instead of listing all names of three or more authors, editors or contributors within your citations. It can also cite collections of essays, stories or poems with three or more contributors. When using et al., you should always use the last name of the first writer listed on the source. For example:

• (Earth et al. “September” 0:15)
• Contributors: Earth, Wind and Fire

The most crucial part of in-text citations in MLA style is to keep a consistent and accurate format within the entire body of work. Always use the same punctuation within the in-text citations and the same formatting for sources of the same type. Ensure that double-checking citations is part of your overall proofreading process. All citations, like the written work, should be precise and error-free.

Various tools exist to help you collect and manage your sources and citations. Popular tools include Zotero , EndNote and RefWorks . These tools can create citations for you and keep track of your research documents so you can reference them again if needed. It’s wise to track your sources as they’re included in your writing rather than compiling and citing them when finished.

More resources for writing in MLA format

For the most up-to-date in-text citation information, refer to the MLA Handbook , which can be found online, in bookstores and libraries. The most recent edition of the MLA Handbook is the 9th edition, published in spring 2021.

The MLA also operates the MLA Handbook Plus , a subscription-based digital platform that offers all of the content included in the print edition, plus annual updates and valuable resources, and can be accessed anywhere, whether you’re traveling, at home or in the classroom.

The MLA Style Center offers free online sources on the official MLA style, including templates, questions and answers and advice.

Furman University offers trained consultants for students on campus to provide one-on-one or small-group assistance for writing projects at the Writing & Media Lab (WML). You can make an appointment with a WML Consultant or stop by the James B. Duke Library in the Center for Academic Success (room 002) for on-demand help (subject to scheduling).

The Writing & Media Lab can help with many tasks related to student writing and multimedia projects, including:

• Brainstorming a paper or project
• Outlining your ideas
• Reading through your writing
• Creating a presentation or poster
• Helping you practice your presentation
• Planning a video or podcast
• Revising, proofreading, or editing

Mastering the art of in-text citations in MLA format will ensure that you, as an academic author, will portray yourself as a serious, responsible and factual writer who uses accurate and reliable sources.

The perspectives and thoughts shared in the Furman Blog belong solely to the author and may not align with the official stance or policies of Furman University. All referenced sources were accurate as of the date of publication.

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Reference List: Textual Sources

Welcome to the Purdue OWL

This page is brought to you by the OWL at Purdue University. When printing this page, you must include the entire legal notice.

Copyright ©1995-2018 by The Writing Lab & The OWL at Purdue and Purdue University. All rights reserved. This material may not be published, reproduced, broadcast, rewritten, or redistributed without permission. Use of this site constitutes acceptance of our terms and conditions of fair use.

Basic Format for Books

Edited book, no author, edited book with an author or authors, a translation.

Note : When you cite a republished work, like the one above, in your text, it should appear with both dates: Plato (385-378/1989)

Edition Other Than the First

Article or chapter in an edited book.

Note : When you list the pages of the chapter or essay in parentheses after the book title, use "pp." before the numbers: (pp. 1-21). This abbreviation, however, does not appear before the page numbers in periodical references, except for newspapers. List any edition number in the same set of parentheses as the page numbers, separated by a comma: (2nd ed., pp. 66-72).

Multivolume Work

Articles in periodicals.

APA style dictates that authors are named with their last name followed by their initials; publication year goes between parentheses, followed by a period. The title of the article is in sentence-case, meaning only the first word and proper nouns in the title are capitalized. The periodical title is run in title case, and is followed by the volume number which, with the title, is also italicized. If a DOI has been assigned to the article that you are using, you should include this after the page numbers for the article. If no DOI has been assigned and you are accessing the periodical online, use the URL of the website from which you are retrieving the periodical.

Article in Print Journal

Note: APA 7 advises writers to include a DOI (if available), even when using the print source. The example above assumes no DOI is available.

Article in Electronic Journal

Note :  This content also appears on Reference List: Online Media .

As noted above, when citing an article in an electronic journal, include a DOI if one is associated with the article.

DOIs may not always be available. In these cases, use a URL. Many academic journals provide stable URLs that function similarly to DOIs. These are preferable to ordinary URLs copied and pasted from the browser's address bar.

Article in a Magazine

Article in a newspaper.

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• Knowledge Base
• Working with sources
• How to Paraphrase | Step-by-Step Guide & Examples

How to Paraphrase | Step-by-Step Guide & Examples

Published on April 8, 2022 by Courtney Gahan and Jack Caulfield. Revised on June 1, 2023.

Paraphrasing means putting someone else’s ideas into your own words. Paraphrasing a source involves changing the wording while preserving the original meaning.

Paraphrasing is an alternative to  quoting (copying someone’s exact words and putting them in quotation marks ). In academic writing, it’s usually better to integrate sources by paraphrasing instead of quoting. It shows that you have understood the source, reads more smoothly, and keeps your own voice front and center.

Every time you paraphrase, it’s important to cite the source . Also take care not to use wording that is too similar to the original. Otherwise, you could be at risk of committing plagiarism .

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Table of contents

How to paraphrase in five easy steps, how to paraphrase correctly, examples of paraphrasing, how to cite a paraphrase, paraphrasing vs. quoting, paraphrasing vs. summarizing, avoiding plagiarism when you paraphrase, other interesting articles, frequently asked questions about paraphrasing.

If you’re struggling to get to grips with the process of paraphrasing, check out our easy step-by-step guide in the video below.

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Putting an idea into your own words can be easier said than done. Let’s say you want to paraphrase the text below, about population decline in a particular species of sea snails.

Incorrect paraphrasing

You might make a first attempt to paraphrase it by swapping out a few words for  synonyms .

Like other sea creatures inhabiting the vicinity of highly populated coasts, horse conchs have lost substantial territory to advancement and contamination , including preferred breeding grounds along mud flats and seagrass beds. Their Gulf home is also heating up due to global warming , which scientists think further puts pressure on the creatures , predicated upon the harmful effects extra warmth has on other large mollusks (Barnett, 2022).

This attempt at paraphrasing doesn’t change the sentence structure or order of information, only some of the word choices. And the synonyms chosen are poor:

• “Advancement and contamination” doesn’t really convey the same meaning as “development and pollution.”
• Sometimes the changes make the tone less academic: “home” for “habitat” and “sea creatures” for “marine animals.”
• Adding phrases like “inhabiting the vicinity of” and “puts pressure on” makes the text needlessly long-winded.
• Global warming is related to climate change, but they don’t mean exactly the same thing.

Because of this, the text reads awkwardly, is longer than it needs to be, and remains too close to the original phrasing. This means you risk being accused of plagiarism .

Correct paraphrasing

Let’s look at a more effective way of paraphrasing the same text.

Here, we’ve:

• Only included the information that’s relevant to our argument (note that the paraphrase is shorter than the original)
• Introduced the information with the signal phrase “Scientists believe that …”
• Retained key terms like “development and pollution,” since changing them could alter the meaning
• Structured sentences in our own way instead of copying the structure of the original
• Started from a different point, presenting information in a different order

Because of this, we’re able to clearly convey the relevant information from the source without sticking too close to the original phrasing.

Explore the tabs below to see examples of paraphrasing in action.

• Journal article
• Newspaper article
• Magazine article

Once you have your perfectly paraphrased text, you need to ensure you credit the original author. You’ll always paraphrase sources in the same way, but you’ll have to use a different type of in-text citation depending on what citation style you follow.

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It’s a good idea to paraphrase instead of quoting in most cases because:

• Paraphrasing shows that you fully understand the meaning of a text
• Your own voice remains dominant throughout your paper
• Quotes reduce the readability of your text

But that doesn’t mean you should never quote. Quotes are appropriate when:

• Giving a precise definition
• Saying something about the author’s language or style (e.g., in a literary analysis paper)
• Providing evidence in support of an argument
• Critiquing or analyzing a specific claim

A paraphrase puts a specific passage into your own words. It’s typically a similar length to the original text, or slightly shorter.

When you boil a longer piece of writing down to the key points, so that the result is a lot shorter than the original, this is called summarizing .

Paraphrasing and quoting are important tools for presenting specific information from sources. But if the information you want to include is more general (e.g., the overarching argument of a whole article), summarizing is more appropriate.

When paraphrasing, you have to be careful to avoid accidental plagiarism .

This can happen if the paraphrase is too similar to the original quote, with phrases or whole sentences that are identical (and should therefore be in quotation marks). It can also happen if you fail to properly cite the source.

Paraphrasing tools are widely used by students, and can be especially useful for non-native speakers who may find academic writing particularly challenging. While these can be helpful for a bit of extra inspiration, use these tools sparingly, keeping academic integrity in mind.

To make sure you’ve properly paraphrased and cited all your sources, you could elect to run a plagiarism check before submitting your paper. And of course, always be sure to read your source material yourself and take the first stab at paraphrasing on your own.

If you want to know more about ChatGPT, AI tools , citation , and plagiarism , make sure to check out some of our other articles with explanations and examples.

• ChatGPT vs human editor
• ChatGPT citations
• Is ChatGPT trustworthy?
• Using ChatGPT for your studies
• What is ChatGPT?
• Chicago style
• Critical thinking

 Plagiarism

• Types of plagiarism
• Self-plagiarism
• Avoiding plagiarism
• Academic integrity
• Consequences of plagiarism
• Common knowledge

To paraphrase effectively, don’t just take the original sentence and swap out some of the words for synonyms. Instead, try:

• Reformulating the sentence (e.g., change active to passive , or start from a different point)
• Combining information from multiple sentences into one
• Leaving out information from the original that isn’t relevant to your point
• Using synonyms where they don’t distort the meaning

The main point is to ensure you don’t just copy the structure of the original text, but instead reformulate the idea in your own words.

Paraphrasing without crediting the original author is a form of plagiarism , because you’re presenting someone else’s ideas as if they were your own.

However, paraphrasing is not plagiarism if you correctly cite the source . This means including an in-text citation and a full reference, formatted according to your required citation style .

As well as citing, make sure that any paraphrased text is completely rewritten in your own words.

Plagiarism means using someone else’s words or ideas and passing them off as your own. Paraphrasing means putting someone else’s ideas in your own words.

So when does paraphrasing count as plagiarism?

• Paraphrasing is plagiarism if you don’t properly credit the original author.
• Paraphrasing is plagiarism if your text is too close to the original wording (even if you cite the source). If you directly copy a sentence or phrase, you should quote it instead.
• Paraphrasing  is not plagiarism if you put the author’s ideas completely in your own words and properly cite the source .

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To present information from other sources in academic writing , it’s best to paraphrase in most cases. This shows that you’ve understood the ideas you’re discussing and incorporates them into your text smoothly.

It’s appropriate to quote when:

• Changing the phrasing would distort the meaning of the original text
• You want to discuss the author’s language choices (e.g., in literary analysis )
• You’re presenting a precise definition
• You’re looking in depth at a specific claim

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Gahan, C. & Caulfield, J. (2023, June 01). How to Paraphrase | Step-by-Step Guide & Examples. Scribbr. Retrieved April 15, 2024, from https://www.scribbr.com/working-with-sources/how-to-paraphrase/

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