Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.