Cita APA (7a ed.)

Lucas, S. (2012). The art of public speaking (11e.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Lucas, Stephen. The Art of Public Speaking. 11e. Boston: McGraw-Hill, 2012.

Cita MLA (9a ed.)

Lucas, Stephen. The Art of Public Speaking. 11e. McGraw-Hill, 2012.