APA (7th ed.) Citation

Smith, J. E. (2013). This is what happy looks like / Jennifer E. Smith. Headline.

Chicago Style (17th ed.) Citation

Smith, Jennifer E. This Is What Happy Looks like / Jennifer E. Smith. London: Headline, 2013.

MLA (9th ed.) Citation

Smith, Jennifer E. This Is What Happy Looks like / Jennifer E. Smith. Headline, 2013.

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