APA is the style of documentation of sources used by the American Psychological Association. This form of writing research papers is used mainly in the social sciences, like psychology, anthropology, sociology, as well as education and other fields.
Provides free resources, instructional aids, and supplemental content that is referred to throughout the manual (reference examples, sample papers, etc).
RefWorks is a web-based bibliography and database manager that allows you to create your own personal database by importing references from text files or online databases and other sources. You can use these references in writing papers and automatically format the paper and the bibliography in seconds. Click on the link. Once there, you'll just need to sign up with your university email.
Zotero is a free, easy-to-use tool to help you collect, organize, annotate, cite, and share research. Zotero allows you to attach PDFs, notes and images to your citations, organize them into collections for different projects, and create bibliographies. It is available for Windows, Mac, and Linux.