Cita APA (7th ed.)

Des Jardins, J. R. (2001). Environmental ethics: An introduction to environmental philosophy (3rd ed.). Wadsworth Thomson Learning.

Cita Chicago (17th ed.)

Des Jardins, Joseph R. Environmental Ethics: An Introduction to Environmental Philosophy. 3rd ed. Australia: Wadsworth Thomson Learning, 2001.

Cita MLA (9th ed.)

Des Jardins, Joseph R. Environmental Ethics: An Introduction to Environmental Philosophy. 3rd ed. Wadsworth Thomson Learning, 2001.