Cita APA

Gonick, L., & Outwater, A. (1996). The cartoon guide to the environment. New York (EUA): Harper Perennial.

Citación estilo Chicago

Gonick, L., y A. Outwater. The Cartoon Guide to the Environment. New York (EUA): Harper Perennial, 1996.

Cita MLA

Gonick, L., y A. Outwater. The Cartoon Guide to the Environment. New York (EUA): Harper Perennial, 1996.