APA (7th ed.) Citation

Willems, M. (2020). An Elephant & Piggie biggie! (First edition.). Hyperion Books for Children.

Chicago Style (17th ed.) Citation

Willems, Mo. An Elephant & Piggie Biggie! First edition. New York: Hyperion Books for Children, 2020.

MLA (8th ed.) Citation

Willems, Mo. An Elephant & Piggie Biggie! First edition. Hyperion Books for Children, 2020.

Warning: These citations may not always be 100% accurate.