APA (7th ed.) Zitazioa
konging, H. (1991). Colombus: His enterprise. Monthly Review press.
Chicago Style (17th ed.) Zitazioa
konging, Hans. Colombus: His Enterprise. New York: Monthly Review press, 1991.
MLA (9th ed.) Zitazioa
konging, Hans. Colombus: His Enterprise. Monthly Review press, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.