Cita APA (7th ed.)

Traer, R. (2020). Doing environmental ethics (Third edition.). Routledge.

Cita Chicago (17th ed.)

Traer, Robert. Doing Environmental Ethics. Third edition. New York, Abingdon, Oxon: Routledge, 2020.

Cita MLA (9th ed.)

Traer, Robert. Doing Environmental Ethics. Third edition. Routledge, 2020.