APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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