APA (7th ed.) Citation

Pennybacker, M., & Vibbert, C. (2010). Do one green thing: Saving the earth through simple, everyday choices. St. Martin's Griffin.

Chicago Style (17th ed.) Citation

Pennybacker, Mindy, and Carolyn Vibbert. Do One Green Thing: Saving the Earth Through Simple, Everyday Choices. New York: St. Martin's Griffin, 2010.

MLA (9th ed.) Citation

Pennybacker, Mindy, and Carolyn Vibbert. Do One Green Thing: Saving the Earth Through Simple, Everyday Choices. St. Martin's Griffin, 2010.