Cita APA (7th ed.)
O'Keefe, D. J. (2002). Persuasion: Theory and research (2nd ed.). Sage.
Cita Chicago (17th ed.)
O'Keefe, Daniel J. Persuasion: Theory and Research. 2nd ed. Thousand Oaks, California: Sage, 2002.
Cita MLA (9th ed.)
O'Keefe, Daniel J. Persuasion: Theory and Research. 2nd ed. Sage, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.