APA (7th ed.) Citation

Shaw, N., & Apple, M. (2015). Sheep go to sleep. Houghton Mifflin Harcourt.

Chicago Style (17th ed.) Citation

Shaw, Nancy, and Margot Apple. Sheep Go to Sleep. Boston: Houghton Mifflin Harcourt, 2015.

MLA (9th ed.) Citation

Shaw, Nancy, and Margot Apple. Sheep Go to Sleep. Houghton Mifflin Harcourt, 2015.