APA (7th ed.) Citation

Palmer, J., Cooper, D. E., & Corcoran, P. B. (2005). Fifty key thinkers on the environment. Routledge.

Chicago Style (17th ed.) Citation

Palmer, Joy, David Edward Cooper, and Peter Blaze Corcoran. Fifty Key Thinkers on the Environment. London: Routledge, 2005.

MLA (9th ed.) Citation

Palmer, Joy, et al. Fifty Key Thinkers on the Environment. Routledge, 2005.