APA (7th ed.) Citation

Willems, M. (2006). Edwina, the dinosaur who didn't know she was extinct. Hyperion Books for Children.

Chicago Style (17th ed.) Citation

Willems, Mo. Edwina, the Dinosaur Who Didn't Know She Was Extinct. New York: Hyperion Books for Children, 2006.

MLA (8th ed.) Citation

Willems, Mo. Edwina, the Dinosaur Who Didn't Know She Was Extinct. Hyperion Books for Children, 2006.