Cita APA (7a ed.)
Northedge, F. S., & Grieve, M. (1971). A hundred years of international relations. Praeger.
Cita Chicago Style (17a ed.)
Northedge, F. S., y M.J Grieve. A Hundred Years of International Relations. New York: Praeger, 1971.
Cita MLA (9a ed.)
Northedge, F. S., y M.J Grieve. A Hundred Years of International Relations. Praeger, 1971.
Precaución: Estas citas no son 100% exactas.