APA (7th ed.) Citation

Northedge , F., & By Grieve , M. J. (1971). A hundred years of international relations. Duckworth.

Chicago Style (17th ed.) Citation

Northedge , F.S, and M. J. By Grieve. A Hundred Years of International Relations. London: Duckworth, 1971.

MLA (9th ed.) Citation

Northedge , F.S, and M. J. By Grieve. A Hundred Years of International Relations. Duckworth, 1971.