Cita APA (7th ed.)
Jeffrey, R. C., & Peterson, O. (1983). Speech: A basic text (2nd ed.). Harper.
Cita Chicago (17th ed.)
Jeffrey, Robert C., i Owen Peterson. Speech: A Basic Text. 2nd ed. New York: Harper, 1983.
Cita MLA (9th ed.)
Jeffrey, Robert C., i Owen Peterson. Speech: A Basic Text. 2nd ed. Harper, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.