Cita APA (7th ed.)

Botkin, D. B. (1998). Environmental science: Earth as a living planet. John Wiley & Sons.

Cita Chicago (17th ed.)

Botkin, Daniel B. Environmental Science: Earth as a Living Planet. New York: John Wiley & Sons, 1998.

Cita MLA (9th ed.)

Botkin, Daniel B. Environmental Science: Earth as a Living Planet. John Wiley & Sons, 1998.