Cita APA (7a ed.)

O'Keefe, D. J. (1990). Persuasion: Theory and research. Sage.

Cita Chicago Style (17a ed.)

O'Keefe, Daniel J. Persuasion: Theory and Research. Newbury Park [etc.]: Sage, 1990.

Cita MLA (9a ed.)

O'Keefe, Daniel J. Persuasion: Theory and Research. Sage, 1990.