APA (7th ed.) Citation

Willems, M. (2004). The pigeon finds a hot dog! Hyperion Books for Children.

Chicago Style (17th ed.) Citation

Willems, Mo. The Pigeon Finds a Hot Dog! New York: Hyperion Books for Children, 2004.

MLA (9th ed.) Citation

Willems, Mo. The Pigeon Finds a Hot Dog! Hyperion Books for Children, 2004.