Cita APA (7th ed.)
Freyfogle, E. T. (2006). Why conservation is failing and how it can regain ground. Yale University Press.
Cita Chicago (17th ed.)
Freyfogle, Eric T. Why Conservation Is Failing and How It Can Regain Ground. New Haven: Yale University Press, 2006.
Cita MLA (9th ed.)
Freyfogle, Eric T. Why Conservation Is Failing and How It Can Regain Ground. Yale University Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.