APA-referens (7:e uppl.)

Withgott, J., & Brennan, S. (2008). Environment: The science behind the stories (Third edition.). Pearson/Benjamin Cummings.

Chicago-referens (17:e uppl.)

Withgott, Jay, och Scott Brennan. Environment: The Science Behind the Stories. Third edition. San Francisco: Pearson/Benjamin Cummings, 2008.

MLA-referens (9:e uppl.)

Withgott, Jay, och Scott Brennan. Environment: The Science Behind the Stories. Third edition. Pearson/Benjamin Cummings, 2008.