Links to the Formatting and Style guide for APA Citation, provided by the Online Writing Lab (OWL) of Purdue University, if you can use it in a paper, they can show you how to cite it.
All the latest fashions and trends in APA Style. Try searching for your specific issue. Great for social media and other rapidly evolving source types.
ZoteroBib helps you build a bibliography instantly from any computer or device, without creating an account or installing any software. If you need to reuse sources across multiple projects or build a shared research library, we recommend using Zotero instead.
Mendeley is a citation management tool, which includes both an online and desktop element. Similar to EndNote, citations can be exported to the system from most databases, and PDFs of articles may be attached to the citations.
Publication Manual of the American Psychological Association (APA) by 
Writing Empirical Research Reports-7th Ed by 
