Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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