Cita APA

Lucas, S. (2015). The art of public speaking (Twelfth edition.). McGraw-Hill Education.

Citación estilo Chicago

Lucas, Stephen. The Art of Public Speaking. Twelfth edition. New York, NY: McGraw-Hill Education, 2015.

Cita MLA

Lucas, Stephen. The Art of Public Speaking. Twelfth edition. McGraw-Hill Education, 2015.