APA (7th ed.) Citation

Sonnenburg, J., & Sonnenburg, E. (2015). The good gut: Taking control of your weight, your mood, and your long-term health. Penguin Books.

Chicago Style (17th ed.) Citation

Sonnenburg, Justin, and Erica Sonnenburg. The Good Gut: Taking Control of Your Weight, Your Mood, and Your Long-term Health. New York: Penguin Books, 2015.

MLA (8th ed.) Citation

Sonnenburg, Justin, and Erica Sonnenburg. The Good Gut: Taking Control of Your Weight, Your Mood, and Your Long-term Health. Penguin Books, 2015.

Warning: These citations may not always be 100% accurate.