APA (7th ed.) Citation

McClelland, C. A. (1966). Theory and the international system / by C.A. McClelland. Macmillan.

Chicago Style (17th ed.) Citation

McClelland, C. A. Theory and the International System / by C.A. McClelland. Macmillan, 1966.

MLA (9th ed.) Citation

McClelland, C. A. Theory and the International System / by C.A. McClelland. Macmillan, 1966.

Warning: These citations may not always be 100% accurate.