Cita APA (7th ed.)

Lucas, S. E. (1995). The art of public speaking (5th ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Lucas, Stephen E. The Art of Public Speaking. 5th ed. New York: McGraw-Hill, 1995.

Cita MLA (9th ed.)

Lucas, Stephen E. The Art of Public Speaking. 5th ed. McGraw-Hill, 1995.