APA (7th ed.) Citation

Northrup, C. A., Schwartz, P. C., & Witte, J. C. (2012). The normal bar: The surprising secrets of happy couples and what they reveal about creating a new normal in your relationship. Harmony Books.

Chicago Style (17th ed.) Citation

Northrup, Chrisanna Author, Pepper Contributor Schwartz, and James Contributor Witte. The Normal Bar: The Surprising Secrets of Happy Couples and What They Reveal About Creating a New Normal in Your Relationship. [Place of publication not identified]: Harmony Books, 2012.

MLA (9th ed.) Citation

Northrup, Chrisanna Author, et al. The Normal Bar: The Surprising Secrets of Happy Couples and What They Reveal About Creating a New Normal in Your Relationship. Harmony Books, 2012.