APA (7th ed.) Zitazioa

Attfield, R. (1983). The ethics of environmental concern: The ethics of environmental concern. Basil Blackwell.

Chicago Style (17th ed.) Zitazioa

Attfield, Robin. The Ethics of Environmental Concern: The Ethics of Environmental Concern. Oxford: Basil Blackwell, 1983.

MLA (9th ed.) Zitazioa

Attfield, Robin. The Ethics of Environmental Concern: The Ethics of Environmental Concern. Basil Blackwell, 1983.