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Citation Styles

APA Publication Manual

The M.D. Anderson Library keeps print copies of the latest APA style manual at the Service Desk and in the Reference Collection (1st Floor). Copies also available for check-out.

APA Style Help Online

Quick Guide: Reference List

What is a DOI?

DOI stands for "Digital Object Identifier."  It is a unique alphanumeric string that is assigned to an article that is available electronically.  Consult "What is a digital object identifier" for more information.