Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Merchant, C. (2002). The Columbia guide to American environmental history. Columbia University Press.
Chicago Style (17th ed.) Zitazioa
Merchant, Carolyn. The Columbia Guide to American Environmental History. New York: Columbia University Press, 2002.
MLA (9th ed.) Zitazioa
Merchant, Carolyn. The Columbia Guide to American Environmental History. Columbia University Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.