APA (7th ed.) Zitazioa
Dalton, D. A. (2008). The natural world of Lewis and Clark. University of Missouri Press.
Chicago Style (17th ed.) Zitazioa
Dalton, David A. The Natural World of Lewis and Clark. Columbia, Mo.: University of Missouri Press, 2008.
MLA (9th ed.) Zitazioa
Dalton, David A. The Natural World of Lewis and Clark. University of Missouri Press, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.