Cita APA

Robertson , C. L. (1975). International politics science world war 11: A short history (2nd ed.). John Wiley.

Citación estilo Chicago

Robertson , Charles L. International Politics Science World War 11: A Short History. 2nd ed. New York: John Wiley, 1975.

Cita MLA

Robertson , Charles L. International Politics Science World War 11: A Short History. 2nd ed. John Wiley, 1975.