Cita APA

Summers, R. E. (1951). America's weapons of psychological warfare. New York: Wilson.

Chicago Style Citation

Summers, Robert E. America's Weapons of Psychological Warfare. New York: Wilson, 1951.

Cita MLA

Summers, Robert E. America's Weapons of Psychological Warfare. New York: Wilson, 1951.

Atenció: Aquestes cites poden no estar 100% correctes.