APA (7th ed.) Citation

Glazebrook, G. P. d. T. (1950). A history of Canadian external relations. Oxford University Press.

Chicago Style (17th ed.) Citation

Glazebrook, G. P. de T. A History of Canadian External Relations. Toronto, New York: Oxford University Press, 1950.

MLA (9th ed.) Citation

Glazebrook, G. P. de T. A History of Canadian External Relations. Oxford University Press, 1950.