Cita APA (7th ed.)

Riddell, W. A. (1962). Documents on Canadian foreign policy, 1917-1939. Oxford University Press.

Cita Chicago (17th ed.)

Riddell, Walter Alexander. Documents on Canadian Foreign Policy, 1917-1939. Toronto: Oxford University Press, 1962.

Cita MLA (9th ed.)

Riddell, Walter Alexander. Documents on Canadian Foreign Policy, 1917-1939. Oxford University Press, 1962.