Cita APA (7a ed.)

Williams, S. A. (1963). Great Britain and the world: 1870-1949 ; the age of competition (3. ed., revised.). Harrap.

Cita Chicago Style (17a ed.)

Williams, Samuel Arthur. Great Britain and the World: 1870-1949 ; the Age of Competition. 3. ed., revised. London [u.a.]: Harrap, 1963.

Cita MLA (9a ed.)

Williams, Samuel Arthur. Great Britain and the World: 1870-1949 ; the Age of Competition. 3. ed., revised. Harrap, 1963.