Cita APA (7th ed.)

John Muir Institute for Environmental Studies, University of New Mexico, Environmental Philosophy, Inc, & University of Georgia. (1979). Environmental ethics. John Muir Institute for Environmental Studies and University of New Mexico.

Cita Chicago (17th ed.)

John Muir Institute for Environmental Studies, University of New Mexico, Inc Environmental Philosophy, i University of Georgia. Environmental Ethics. Albuquerque, N.M: John Muir Institute for Environmental Studies and University of New Mexico, 1979.

Cita MLA (9th ed.)

John Muir Institute for Environmental Studies, et al. Environmental Ethics. John Muir Institute for Environmental Studies and University of New Mexico, 1979.