APA (7th ed.) Citation

Yep, L. (1995). Later, Gator. Hyperion Books for Children.

Chicago Style (17th ed.) Citation

Yep, Laurence. Later, Gator. New York: Hyperion Books for Children, 1995.

MLA (8th ed.) Citation

Yep, Laurence. Later, Gator. Hyperion Books for Children, 1995.