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Geology (Shellhorn): Citations

This guide provides resources to support students in physical, environmental, and historical geology courses.

This page contains information on citing sources using Modern Language Association (MLA) and American Psychological Association (APA) styles. For more information on these and other common citation systems, visit Cuesta Library's Citation guide. If you have questions, librarians can help!

Video on MLA Format

In-Depth MLA 8th Ed Guide

For more guidance on MLA Style, 9th edition, see the guide below:

Writing a Paper Using MLA

APA References Video

APA 7th Edition Style, In Depth

Examples of Basic APA Citations

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