For your paper you will need to use APA style. Here are some of the links from other libraries that I found to be helpful:
Here are some of my favorite sites for help with APA Style:
The Basics of APA Style http://www.apastyle.org/learn/tutorials/basics-tutorial.aspx - from American Psychological Association (APA). It includes a wonderful tutorial of the recently published 6th ed.
APA Citation Style Examples http://www.nwmissouri.edu/library/CITING/APA.HTM -This content rich guide is from the Owen Library at the Northwest Missouri State University. Examples from specific databases is a bonus and the color coding enhances the experience
APA Exposed http://isites.harvard.edu/icb/icb.do?keyword=apa_exposed - Listen to it!
Citing Your Sources http://support.library.ewu.edu/reference/tutorial/flash/citation.html- A flash based research tutorial from the Eastern Washington University. It offers two highly interactive modules on APA and MLA. The practice section is wonderful where you will try to put together a citation and can then check the answers.
The OWL at Purdue http://owl.english.purdue.edu/owl/resource/560/01/ - A longtime comprehensive guide offers online handouts covering writing, research, grammar, and MLA and APA style (revised 6th ed.)
Research and Documentation Online http://www.dianahacker.com/resdoc/ - This helpful site includes a glossary of research terms, tips for evaluating sources and assistance with various documentation styles, including APA and MLA.
How to Cite Sources: APA Style http://www.nova.edu/library/dils/lessons/apa/ - A very comprehensive tutorial from the Alvin Sherman Library at the Nova Southeastern University.