You will be assigned a citation style by your instructor. Citation styles explain how to give credit to your sources and allow others to find them, as well as give guidelines for formatting your paper.
APA -- Publication Manual of the American Psychological Association, 6th edition
Chicago -- Chicago Manual of Style, 14th edition
Manage citations and access to the full text
Manage citations, access the full text, AND insert formated citations into your word processing program
These two systems are fully supported by UGA Libraries. Get them for free through UGA Libraries. You can get one-on-one assistance and training from a UGA Librarian. There is also a toll free technical support number for EndNote, direct from EndNote's publishers.
There are many other programs, such as Mendeley, that are free and available online, but not officially supported by UGA Libraries.