Cita APA (7a ed.)

Bassham, G. (2020). Environmental ethics: : the central issues. Hackett Publishing Company.

Cita Chicago Style (17a ed.)

Bassham, Gregory. Environmental Ethics: : The Central Issues. Cambridge/Indianapolis: Hackett Publishing Company, 2020.

Cita MLA (9a ed.)

Bassham, Gregory. Environmental Ethics: : The Central Issues. Hackett Publishing Company, 2020.