APA (7th ed.) Citation

Mcgrath, J., & Bates, B. (2013). The little book of big theories and how to use them. Pearson.

Chicago Style (17th ed.) Citation

Mcgrath, James, and Bob Bates. The Little Book of Big Theories and How to Use Them. Harlow, England: Pearson, 2013.

MLA (8th ed.) Citation

Mcgrath, James, and Bob Bates. The Little Book of Big Theories and How to Use Them. Pearson, 2013.