APA (7th ed.) Citation

Gonick, L., & Outwater, A. (1996). The cartoon guide to the environment. Harper Resource.

Chicago Style (17th ed.) Citation

Gonick, Larry, and Alice Outwater. The Cartoon Guide to the Environment. New York: Harper Resource, 1996.

MLA (9th ed.) Citation

Gonick, Larry, and Alice Outwater. The Cartoon Guide to the Environment. Harper Resource, 1996.