एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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