Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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