LibGuides: Citation Style Guidelines: APA, MLA, Chicago

Top APA Style Sites

APA Style Central APA Style CENTRAL is the official, authoritative online resource for instruction and reference related to the application and proper use of APA Style. (from the website)
Purdue OWL : APA Style Overview The Purdue Online Writing Lab (OWL) provides a good overview and specific examples of APA citations and formatting papers in this style.
The Writer's Handbook APA Documentation Guide The Table of Contents on this page make it easy to find what you are looking for related to APA style.
APA exposed: Everything you always wanted to know about APA format but were afraid to ask.

DOI Flowchart A DOI or Digital Object Identifier is a permanent link to an article online, no matter where it is hosted. APA Style Blog has put together a flowchart for when and if you should include the DOI in your citation.