APA (7th ed.) Zitazioa
O'Malley, J. W. (2004). Four cultures of the West. Belknap Press of Harvard University Press.
Chicago Style (17th ed.) Zitazioa
O'Malley, John W. Four Cultures of the West. Cambridge, Mass.: Belknap Press of Harvard University Press, 2004.
MLA (9th ed.) Zitazioa
O'Malley, John W. Four Cultures of the West. Belknap Press of Harvard University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.