Style de citation APA (7e éd.)

Botkin, D. B., & Keller, E. A. (2007). Environmental science: Earth as a living planet (6th ed.). Wiley.

Style de citation Chicago (17e éd.)

Botkin, Daniel B., et Edward A. Keller. Environmental Science: Earth as a Living Planet. 6th ed. Hoboken, NJ ; New Delhi: Wiley, 2007.

Style de citation MLA (8e éd.)

Botkin, Daniel B., et Edward A. Keller. Environmental Science: Earth as a Living Planet. 6th ed. Wiley, 2007.