Cita APA

McClelland, C. A. (1966). Theory and the international system. New York: Macmillan.

Chicago Style Citation

McClelland, Charles A. Theory and the International System. New York: Macmillan, 1966.

Cita MLA

McClelland, Charles A. Theory and the International System. New York: Macmillan, 1966.

Atenció: Aquestes cites poden no estar 100% correctes.