APA (7th ed.) Citation

Byars, B. C. (2007). The black tower. Sleuth Puffin.

Chicago Style (17th ed.) Citation

Byars, Betsy Cromer. The Black Tower. New York: Sleuth Puffin, 2007.

MLA (8th ed.) Citation

Byars, Betsy Cromer. The Black Tower. Sleuth Puffin, 2007.

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