APA (7th ed.) Zitazioa

Nicholas, H. (1975). The United States and Britain. University of Chicago Pr..

Chicago Style (17th ed.) Zitazioa

Nicholas, H.G. The United States and Britain. Chicago, Ill .: University of Chicago Pr., 1975.

MLA (9th ed.) Zitazioa

Nicholas, H.G. The United States and Britain. University of Chicago Pr., 1975.