APA (7th ed.) Citation

Posner, M., Yee, L., & Silverman, J. (2015). Keen teens. Samuel French.

Chicago Style (17th ed.) Citation

Posner, Max, Lauren Yee, and Jen Silverman. Keen Teens. [London]: Samuel French, 2015.

MLA (8th ed.) Citation

Posner, Max, et al. Keen Teens. Samuel French, 2015.