APA (American Psychological Association) style is one of the common citation styles for referencing:
- APA Style Guide from Purdue Online Writing Lab
The resource provides the American Psychological Association (APA) citation and format style. It contains resources on in-text citation and the References page, as well as APA sample papers, slide presentations, and the APA classroom poster.
- You may also read the Citation style recommendations / guidelines for other disciplines from the University.
Publication Manual of the American Psychological Association by 
