Visit the APA site for information on formatting your papers, creating in-text citations, tables and charts, developing your reference list/bibliography, and much more.
NOTE: The Chicago Style has two different systems: endnotes/footnotes and author-date. Be sure to ask your professor which style you should use.
Western Oregon University created this in-depth guide to Chicago Style.
The MLA has a lot of information and tutorials on their website, including a quick bibliographic citation guide and information on citing images and graphs and formatting your paper.
American Political Science Association (APSA) has an excellent guide on their citation style.
Click on the links below to download PDFs of the following ASA style guides: