APA (7th ed.) Zitazioa
Kagan, D. (1998). The Western heritage (6th ed.). Prentice Hall.
Chicago Style (17th ed.) Zitazioa
Kagan, Donald. The Western Heritage. 6th ed. New Jersey: Prentice Hall, 1998.
MLA (9th ed.) Zitazioa
Kagan, Donald. The Western Heritage. 6th ed. Prentice Hall, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.