APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

Botkin, Daniel B., und Edward A. Keller. Environmental Science: Earth as a Living Planet. Forth edition. New York: Wiley, 2003.

MLA-Zitierstil (8. Ausg.)

Botkin, Daniel B., und Edward A. Keller. Environmental Science: Earth as a Living Planet. Forth edition. Wiley, 2003.