APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.