APA (American Psychological Association) style is a set of editorial standards so that papers would be written in a consistent format making them easier to understand across various disciplines and a multitude of authors.
This guide is not comprehensive. See the Publication Manual of the American Psychological Association and/or use the links provided in this guide for more information.
Here is what the APA Manual contains (sections in bold are particularly useful for student authors):
1. Scholarly Writing and Publishing Principles
2. Paper Elements and Format*
3. Journal Article Reporting Standards
4. Writing Style and Grammar
5. Bias-Free Language Guidelines
6. Mechanics of Style
7. Tables and Figures
8. Works Credited in the Text
9. Reference List*
10. Reference Examples*
11. Legal References
12. Publication Process