APA (7th ed.) Citation

Willems, M. (2021). 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, 2021.

MLA (8th ed.) Citation

Willems, Mo. An Elephant & Piggie Biggie! First edition. Hyperion Books For Children, 2021.

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