Cita APA (7a ed.)

Gudorf, C. E., & Huchingson, J. E. (2010). Boundaries: A casebook in environmental ethics (2nd ed.). Georgetown University Press.

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

Gudorf, Christine E., y James Edward Huchingson. Boundaries: A Casebook in Environmental Ethics. 2nd ed. Georgetown University Press, 2010.