Cita APA

Schuman, F. L. 1. (1941). International politics: The western state system in transition (3. edition.). New York: McGraw-Hill Book Company.

Citación estilo Chicago

Schuman, Frederick Lewis 1904-1981. International Politics: The Western State System in Transition. 3. edition. New York: McGraw-Hill Book Company, 1941.

Cita MLA

Schuman, Frederick Lewis 1904-1981. International Politics: The Western State System in Transition. 3. edition. New York: McGraw-Hill Book Company, 1941.