Citation Machine, a Chegg service

Check your paper for grammar and plagiarism

Catch plagiarism and grammar mistakes with our paper checker

The papers you upload will be added to our plagiarism database and will be used internally to improve plagiarism results.

Use Citation Machine® Plus to get smart recommendations!

Scan your paper for unintentional plagiarism and get advanced recommendations for sentence structure, writing style, grammar and more!

cite using APA, MLA, Chicago and more

Know you're citing correctly

No matter what citation style you're using (APA, MLA, Chicago, etc.) we'll help you create the right bibliography

Get started

See what's included with Citation Machine® Plus

Citation Machine® free account
Citation Machine® Plus 3-day free trial*
Citation Machine® Plus & Chegg® Study Pack
Citation styles
7000+ styles including APA & Chicago.
7000+ styles including APA & Chicago
7000+ styles including APA & Chicago
Grammar checks
Only first 5 errors checked
Unlimited
Unlimited
Save your citations
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Plagiarism detection
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Expert help for your paper
30 papers a month
Unlimited
Millions of Textbook Solutions & Expert Q&A
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Practice problems & video solutions**
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Instant math solver
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Free
$9.95/mo.
$19.95/mo.

Citation Machine® Guides & Resources

MLA Format: Everything You Need to Know and More

Filled with a wide variety of examples and visuals, our Citation Machine® MLA guide will help you master the citation process. Learn how to cite websites, books, journal articles, magazines, newspapers, films, social media, and more!

Comprehensive Guide to APA Format

Our Citation Machine® APA guide is a one-stop shop for learning how to cite in APA format. Read up on what APA is, or use our citing tools and APA examples to create citations for websites, books, journals, and more!

Everything You Need to Know About Chicago Style

Creating citations in Chicago style has never been easier thanks to our extensive Citation Machine® Chicago style guide and tools. Learn about footnotes, endnotes, and everything in between, or easily create citations for websites, books, journal articles, and more!

Citation Machine®’s Ultimate Grammar Guides

Whether you’re a student, writer, foreign language learner, or simply looking to brush up on your grammar skills, our comprehensive grammar guides provide an extensive overview on over 50 grammar-related topics. Confused about reflexive verbs, demonstrative adjectives, or conjunctive adverbs? Look no further! Learn about these grammar topics and many, many more in our thorough and easy to understand reference guides!

Student Blog

Stay up to date! Get research tips and citation information or just enjoy some fun posts from our student blog.

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