APA-referens (7:e uppl.)

Botkin, D. B., Keller, E. A., & Rosenthal, D. B. (2003). Environmental science: Earth as a living planet (4th ed.). Wiley.

Chicago-referens (17:e uppl.)

Botkin, Daniel B., Edward A. Keller, och Dorothy B. Rosenthal. Environmental Science: Earth as a Living Planet. 4th ed. New York: Wiley, 2003.

MLA-referens (9:e uppl.)

Botkin, Daniel B., et al. Environmental Science: Earth as a Living Planet. 4th ed. Wiley, 2003.