APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

Botkin, Daniel B., ja Edward A. Keller. Environmental Science: Earth as a Living Planet. 4th ed. Wiley, 2003.