The once familiar APA 6th style has been replaced, as of 2020, with a 7th edition. The new style manual includes some significant changes to formatting papers and has attempted to make language more inclusive and bias free. Among some of the new changes:
The cheat sheet from Purdue now reflects APA 7 but the Harvard guide still refers to APA 6. Also take a look at:
Also helpful may be the following manuals which are available as ebooks:
Go to http://www.zotero.org
Pro-tip: Use Zotero Standalone which means you have to download the software to your computer.
For better visibility, click the Google Slides icon and launch the slideshow. Or just click on this Zotero Basics link.