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Biology 151: Citation | Plagiarism

An online guide for Biology 151

APA (American Psychological Association)


APA 7th

The Publication Manual of the American Psychological Association, 7th ed. (2020) is the authority used by writers in the social sciences and some natural sciences. Copies are kept at the Reference Desk.

  1. APA 7th Edition (article, book, book chapter)

  2. APA 7th Edition (website)

  3. APA 7th Edition (reference examples)

  4. APA 7th Edition (major changes)

Also Available Online:

Purdue OWL logo

OWL (Online Writing Lab) at Purdue University. Purdue University's OWL is an excellent source to use for any citation style, including APA. Selected links and other helpful information, 


Lesson 3 – How to cite your sources and avoid plagiarism

In the previous lessons you have learned how to “hunt” and “gather” information from a variety of sources. Using that information in an assignment without properly acknowledging the original source is considered plagiarism, a type of academic dishonesty that can have very serious consequences. In this final lesson, you will learn how to cite your sources – and help avoid the appearance of plagiarism.

Use the results from your searches in Lesson 2 (Articles) use the APA formating resources to check your bibliography.

Tips - Reference List (APA): Books and Articles