APA-Zitierstil (7. Ausg.)

Gudorf, C. E. (2010). Boundaries: A casebook in environmental ethics (2nd ed.). Washington, D.C.

Chicago-Zitierstil (17. Ausg.)

Gudorf, Christine E. Boundaries: A Casebook in Environmental Ethics. 2nd ed. Georgetown University Press: Washington, D.C, 2010.

MLA-Zitierstil (9. Ausg.)

Gudorf, Christine E. Boundaries: A Casebook in Environmental Ethics. 2nd ed. Washington, D.C, 2010.