APA (7th ed.) Zitazioa

United States. National Park Service. Rainbow Bridge National Monument, Utah (1951).

Chicago Style (17th ed.) Zitazioa

United States. National Park Service. Rainbow Bridge National Monument, Utah (1951).

MLA (9th ed.) Zitazioa

United States. National Park Service. Rainbow Bridge National Monument, Utah (1951).

Kontuz: berrikusi erreferentzia hauek erabili aurretik.