Παραπομπή σε μορφή APA (7η εκδ.)

Marietta, D. E. (1995). For people and the planet: Holism and humanism in environmental ethics. Temple University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Marietta, Don E. For People and the Planet: Holism and Humanism in Environmental Ethics. Philadelphia: Temple University Press, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

Marietta, Don E. For People and the Planet: Holism and Humanism in Environmental Ethics. Temple University Press, 1995.