Fromm, H. (2009). The nature of being human: From environmentalism to consciousness. Johns Hopkins University Press.
Chicago-Zitierstil (17. Ausg.)Fromm, Harold. The Nature of Being Human: From Environmentalism to Consciousness. Baltimore, Md.: Johns Hopkins University Press, 2009.
MLA-Zitierstil (9. Ausg.)Fromm, Harold. The Nature of Being Human: From Environmentalism to Consciousness. Johns Hopkins University Press, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.