Sometimes the hardest part of writing a paper is figuring out how to cite the sources you use. Books, articles, reference books, and web sites all have to be cited differently. To make matters worse, there are several different citation styles. Here is some Information to help you out!

MLA Format

• MLA Format (5th ed.) from Purdue
• Using MLA to Cite and Document Sources by Harnack and Kleppinger

APA Format

• APA Format (5th ed.) from Purdue
• Electronic Reference Formats Recommended by the American Psychological Association
• Using APA Style to Cite and Document Sources by Harnack and Kleppinger

CBE Style (Biology)

• Using CBE Style to Cite and Document Sources by Harnack and Kleppinger

Chicago Style

• Using Chicago Style to Cite and Document Sources by Harnack and Kleppinger

Help with Citing Electronic Resources

• Resources for Citing Electronic Resources from Purdue
• Online! a reference guide to using Internet sources by Andrew Harnack and Eugene Kleppinger
• Columbia Guide to Online Style

Online Citation Formatters

Some websites have online tools that will allow you to format citations:

• Landmark Citation Machine
• KnightCite   (created by Hekman Library at Calvin College)