APA (7th ed.) Citation

Yolen, J., Stemple, H. E. Y., & Dyer, B. (2007). Sleep, black bear, sleep. HarperCollins.

Chicago Style (17th ed.) Citation

Yolen, Jane, Heidi E. Y. Stemple, and Brooke Dyer. Sleep, Black Bear, Sleep. New York: HarperCollins, 2007.

MLA (8th ed.) Citation

Yolen, Jane, et al. Sleep, Black Bear, Sleep. HarperCollins, 2007.

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