Cita APA (7a ed.)

Merchant, C. (2002). The Columbia guide to American environmental history. Columbia University Press.

Cita Chicago Style (17a ed.)

Merchant, Carolyn. The Columbia Guide to American Environmental History. New York: Columbia University Press, 2002.

Cita MLA (8a ed.)

Merchant, Carolyn. The Columbia Guide to American Environmental History. Columbia University Press, 2002.