APA (7th ed.) Zitazioa

Botkin, D. B., & Keller, E. A. (2009). Environmental Science: Earth as a Living Planet (7th ed.). Wiley India.

Chicago Style (17th ed.) Zitazioa

Botkin, Daniel B., eta Edward A. Keller. Environmental Science: Earth as a Living Planet. 7th ed. New Delhi: Wiley India, 2009.

MLA (9th ed.) Zitazioa

Botkin, Daniel B., eta Edward A. Keller. Environmental Science: Earth as a Living Planet. 7th ed. Wiley India, 2009.