APA (7th ed.) Citation

Smith, M., Smith, R., & Graef, R. (2015). T is for time. Sleeping Bear Press.

Chicago Style (17th ed.) Citation

Smith, Marie, Roland Smith, and Renee Graef. T Is for Time. Ann Arbor, MI: Sleeping Bear Press, 2015.

MLA (8th ed.) Citation

Smith, Marie, et al. T Is for Time. Sleeping Bear Press, 2015.