Official APA Homepage
An American Psychology Association hosted website with information on APA citation and related resources.
Missing Reference Information
The APA website provides tips on adapting the basic structure of a reference to a published work that has missing information, along with the corresponding in-text citations.
Purdue Writing Lab
Online writing lab with formatting tips and sample papers. The "Cite your source automatically" feature on Purdue Owl pages is part of another website, and not recommended.
Excelsior Writing Lab
Citation examples, videos, and formatting guides for MLA, APA, and Chicago styles.
Citation examples and more.
This sample paper includes figures, tables, and appendices.