APA (7th ed.) Citation

Kreutzer, P., Kerley, T., & Verbitsky, A. (1990). Little League's official how-to-play baseball book. Doubleday.

Chicago Style (17th ed.) Citation

Kreutzer, Peter, Ted Kerley, and Alexander Verbitsky. Little League's Official How-to-play Baseball Book. New York: Doubleday, 1990.

MLA (8th ed.) Citation

Kreutzer, Peter, et al. Little League's Official How-to-play Baseball Book. Doubleday, 1990.