APA (7th ed.) Citation

Levin, S. A., & Carpenter, S. R. (2009). The Princeton guide to ecology. Princeton University Press.

Chicago Style (17th ed.) Citation

Levin, Simon A., and Stephen R. Carpenter. The Princeton Guide to Ecology. Princeton: Princeton University Press, 2009.

MLA (9th ed.) Citation

Levin, Simon A., and Stephen R. Carpenter. The Princeton Guide to Ecology. Princeton University Press, 2009.