Cita APA (7th ed.)

Northedge, F. S., & Grieve, M. (1971). A hundred years of international relations. Praeger.

Cita Chicago (17th ed.)

Northedge, F. S., i M.J Grieve. A Hundred Years of International Relations. New York: Praeger, 1971.

Cita MLA (9th ed.)

Northedge, F. S., i M.J Grieve. A Hundred Years of International Relations. Praeger, 1971.