There are many changes about how to format, write, and cite papers in the new 7th Edition. Here are just a few of the most noteworthy:
More font options, including Calibri 11, Georgia 11, Lucida Sans Unicode 10, and Arial 11
More reference examples
Using bias-free and inclusive language
Only one space used after a period at the end of a sentence
Publisher location no longer required in the reference list
For more changes, look HERE.
This page covers a lot of information about paper format, grammar, in-text citations, and references with many helpful links
This page offers handouts and guides, as well as sample papers.
This sample paper is annotated and comes directly from the APA Manual 7th Edition. For more sample papers, see the "Instructional Aides" link above.
Use this Quick Reference Guide from the APA Style website to help with general reference page questions.