APA (7th ed.) Zitazioa
(1993). The Romans. The University of Chicago press.
Chicago Style (17th ed.) Zitazioa
The Romans. London: The University of Chicago press, 1993.
MLA (9th ed.) Zitazioa
The Romans. The University of Chicago press, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.