There are an infinite number ways of formatting a paper, and there are still a large number of paper formal styles. Most formatting styles handle citations within the text, endnotes/footnotes, and the works cited page. Some of the most notable styles include APA, Chicago and MLA.
For this class, you will only use APA style.
To test your knowledge of APA style, try the APA parts of the Citation Game.
This is a tutorial from Golden Gate University's University Library explaing how to properly cite books using APA style.