APA-Zitierstil (7. Ausg.)

Freyfogle, E. T. (2006). Why conservation is failing and how it can regain ground. Yale University Press.

Chicago-Zitierstil (17. Ausg.)

Freyfogle, Eric T. Why Conservation Is Failing and How It Can Regain Ground. New Haven: Yale University Press, 2006.

MLA-Zitierstil (9. Ausg.)

Freyfogle, Eric T. Why Conservation Is Failing and How It Can Regain Ground. Yale University Press, 2006.