APA (7th ed.) Zitazioa

TOYNBEE, A. (1962). America and the world revolution. O.U.Pr..

Chicago Style (17th ed.) Zitazioa

TOYNBEE, Arnold. America and the World Revolution. London: O.U.Pr., 1962.

MLA (9th ed.) Zitazioa

TOYNBEE, Arnold. America and the World Revolution. O.U.Pr., 1962.