How do you cite an edited book in APA format?

So I have to write this paper for my Psych class and we need to be able to cite an edited book. This is the book I’m working with. As you can see on the cover, it states the two editors, and if you read further to the “Contents” page, you can see all the chapters and their authors.
I’ve googled it and I’ve gone to tons of cites, but I can’t seem to come up with something that makes sense. Do I just cite the editors, or do I have to cite ALL of those authors?