Citazione APA

Begon, M., Harper, J. L., & Townsend, C. R. (2009). Essentials of Ecology (3.).

Stile di citazione Chicago

Begon, Michael, John L. Harper, e Colin R. Townsend. Essentials of Ecology. 3. Oxford, Blackwell Publishing, 2009.

Citazione MLA

Begon, Michael, et al. Essentials of Ecology. 3. 2009.