Cita APA (7a ed.)

Katona, G. (1977). The powerful consumer: Psychological studies of the American economy. Greenwood.

Cita Chicago Style (17a ed.)

Katona, George. The Powerful Consumer: Psychological Studies of the American Economy. Westport (Connecticut): Greenwood, 1977.

Cita MLA (9a ed.)

Katona, George. The Powerful Consumer: Psychological Studies of the American Economy. Greenwood, 1977.