Cita APA (7a ed.)

Summers, R. E. (1951). America's weapons of psychological warfare. H.W. Wilson.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

Summers, Robert E. America's Weapons of Psychological Warfare. H.W. Wilson, 1951.