Cita APA (7th ed.)

Ouderkirk, W., & Hill, A. (2002). Land, value, community : Callicott and environmental philosophy: Callicott and environmental philosophy. State University of New York Press.

Cita Chicago (17th ed.)

Ouderkirk, Wayne, i Alison Hill. Land, Value, Community : Callicott and Environmental Philosophy: Callicott and Environmental Philosophy. Albany, NY: State University of New York Press, 2002.

Cita MLA (9th ed.)

Ouderkirk, Wayne, i Alison Hill. Land, Value, Community : Callicott and Environmental Philosophy: Callicott and Environmental Philosophy. State University of New York Press, 2002.