Cita APA (7a ed.)

Petty, R. E., & Cacioppo, J. T. (1981). Attitudes and persuasion: Classic and contemporary approaches. Wm C. Brown.

Cita Chicago Style (17a ed.)

Petty, Richard E., y John T. Cacioppo. Attitudes and Persuasion: Classic and Contemporary Approaches. Dubuque, Iowa: Wm C. Brown, 1981.

Cita MLA (9a ed.)

Petty, Richard E., y John T. Cacioppo. Attitudes and Persuasion: Classic and Contemporary Approaches. Wm C. Brown, 1981.