APA Edition Citation

Begon, M., Harper, J. L., & Townsend, C. R. (2007). Essentials of Ecology.

Chicago Edition Citation

Begon, Michael, John L. Harper, and Colin R. Townsend. Essentials of Ecology. London, Blackwell science, 2007.

MLA Edition Citation

Begon, Michael, et al. Essentials of Ecology. 2007.