APA (7th ed.) Zitazioa

Palmer, J. A. (2001). Fifty key thinkers on the environment. Routledge.

Chicago Style (17th ed.) Zitazioa

Palmer, Joy A. Fifty Key Thinkers on the Environment. London: Routledge, 2001.

MLA (9th ed.) Zitazioa

Palmer, Joy A. Fifty Key Thinkers on the Environment. Routledge, 2001.