Cita APA

Botkin, D. B., & Keller, E. A. (2000). Environmental science: Earth as a living planet (3rd ed.). J. Wiley.

Citación estilo Chicago

Botkin, Daniel B., and Edward A. Keller. Environmental Science: Earth as a Living Planet. 3rd ed. New York: J. Wiley, 2000.

Cita MLA

Botkin, Daniel B., and Edward A. Keller. Environmental Science: Earth as a Living Planet. 3rd ed. J. Wiley, 2000.