Cita APA

Northedge, F. S. 1., & Grieve, M. J. (1971). A hundred years of international relations. New York: Praeger publishers.

Citación estilo Chicago

Northedge, Frederick Samuel 1918-1985, y Mary Jane Grieve. A Hundred Years of International Relations. New York: Praeger publishers, 1971.

Cita MLA

Northedge, Frederick Samuel 1918-1985, y Mary Jane Grieve. A Hundred Years of International Relations. New York: Praeger publishers, 1971.