APA (7th ed.) Zitazioa

Williams, R. L. (1964). Modern Europe, 1660-1945. St. Martin's.

Chicago Style (17th ed.) Zitazioa

Williams, Roger L. Modern Europe, 1660-1945. New York: St. Martin's, 1964.

MLA (9th ed.) Zitazioa

Williams, Roger L. Modern Europe, 1660-1945. St. Martin's, 1964.