Cita APA (7th ed.)

Nicholas, H. G. (1963). Britain and the U.S.A. Johns Hopkins Press.

Cita Chicago (17th ed.)

Nicholas, Herbert George. Britain and the U.S.A. Baltimore: Johns Hopkins Press, 1963.

Cita MLA (9th ed.)

Nicholas, Herbert George. Britain and the U.S.A. Johns Hopkins Press, 1963.