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A guide from the American Psychological Association to the revised and updated 6th edition of the Publication Manual. This link goes directly to frequently asked questions about APA citations and style.
This freely available service aids in identifying the DOI (digital object identifier) that is a required element by APA in citing some electronic sources. CrossRef provides several different means for identifying a needed DOI.
This is a compact but comprehensive guide to writing clearly and effectively in APA style. Demonstrates how to write objective scientific research papers using interesting prose Incorporates guidelines from the 6 th edition of the APA publication manual Explores how to develop ideas, connect them to what others have written, and express them clearly Discusses the differences between written, oral, and poster presentations and offers instructions for applying APA style to each