APA (7th ed.) Citation

Kalman, B., & Langille, J. (1998). What are food chains and webs? Crabtree Pub. Co..

Chicago Style (17th ed.) Citation

Kalman, Bobbie, and Jacqueline Langille. What Are Food Chains and Webs? New York: Crabtree Pub. Co., 1998.

MLA (9th ed.) Citation

Kalman, Bobbie, and Jacqueline Langille. What Are Food Chains and Webs? Crabtree Pub. Co., 1998.