Cita APA (7a ed.)

Attfield, R. (1991). The Ethics of Environmental Concern (2nd ed.). University of Georgia Press.

Cita Chicago Style (17a ed.)

Attfield, Robin. The Ethics of Environmental Concern. 2nd ed. Athens, Ga.: University of Georgia Press, 1991.

Cita MLA (8a ed.)

Attfield, Robin. The Ethics of Environmental Concern. 2nd ed. University of Georgia Press, 1991.

Precaución: Estas citas no son 100% exactas.