APA (7th ed.) Citation

Willems, M. (2006). Don't let the pigeon stay up late! Hyperion Books for Children.

Chicago Style (17th ed.) Citation

Willems, Mo. Don't Let the Pigeon Stay Up Late! New York: Hyperion Books for Children, 2006.

MLA (8th ed.) Citation

Willems, Mo. Don't Let the Pigeon Stay Up Late! Hyperion Books for Children, 2006.