APA (7th ed.) Citation

Lauber, P., & Keller, H. (1995). Who eats what?: Food chains and food webs. HarperCollins.

Chicago Style (17th ed.) Citation

Lauber, Patricia, and Holly Keller. Who Eats What?: Food Chains and Food Webs. New York, NY: HarperCollins, 1995.

MLA (8th ed.) Citation

Lauber, Patricia, and Holly Keller. Who Eats What?: Food Chains and Food Webs. HarperCollins, 1995.

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