Cita APA

Schulzinger, R. D. 1. (1984). American diplomacy in the twentieth century. New York: Oxford University Press.

Citación estilo Chicago

Schulzinger, Robert D. 1945-. American Diplomacy in the Twentieth Century. New York: Oxford University Press, 1984.

Cita MLA

Schulzinger, Robert D. 1945-. American Diplomacy in the Twentieth Century. New York: Oxford University Press, 1984.