Cita APA (7th ed.)
Lucas, S. (1995). The art of public speaking (5th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Lucas, Stephen. The Art of Public Speaking. 5th ed. New York: McGraw-Hill, 1995.
Cita MLA (9th ed.)
Lucas, Stephen. The Art of Public Speaking. 5th ed. McGraw-Hill, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.