APA (7th ed.) Citation

Kay, V., & Gustavson, A. (2007). Rough, tough Charley. Tricycle Press.

Chicago Style (17th ed.) Citation

Kay, Verla, and Adam Gustavson. Rough, Tough Charley. Berkeley, Calif.: Tricycle Press, 2007.

MLA (8th ed.) Citation

Kay, Verla, and Adam Gustavson. Rough, Tough Charley. Tricycle Press, 2007.

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