APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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