APA (7th ed.) Zitazioa
Mason, K. S. (2004). Natural museums: U.S. national parks, 1872-1916. Michigan State University Press.
Chicago Style (17th ed.) Zitazioa
Mason, Kathy S. Natural Museums: U.S. National Parks, 1872-1916. East Lansing: Michigan State University Press, 2004.
MLA (9th ed.) Zitazioa
Mason, Kathy S. Natural Museums: U.S. National Parks, 1872-1916. Michigan State University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.