Cita APA (7th ed.)

Williamson, J. (1940). The Life and Growth of the British Empire. Oxford University Press.

Cita Chicago (17th ed.)

Williamson, J.A. The Life and Growth of the British Empire. London [u.a.]: Oxford University Press, 1940.

Cita MLA (8th ed.)

Williamson, J.A. The Life and Growth of the British Empire. Oxford University Press, 1940.