American Chemical Association (ACS) Style
American Medical Association (AMA) Style - detailed in this library guide.
American Political Science Association (APSA) Style
Bluebook - The Bluebook, from the Harvard Law Review Association, can help when you need to cite court courses. Ask for the print version at the library's ASK desk.
Chicago Manual of Style Online
Council of Science Editors (CSE) Style
Turabian Citation Style