Citazione Stile APA (7a Edizione)

Rolston, H. (1988). Environmental Ethics: Duties to and values in the natural world. Temple University Press.

Citazione stile Chigago Style (17a edizione)

Rolston, Holmes. Environmental Ethics: Duties to and Values in the Natural World. Philadelphia: Temple University Press, 1988.

Citatione MLA (9a ed.)

Rolston, Holmes. Environmental Ethics: Duties to and Values in the Natural World. Temple University Press, 1988.