Cita APA (7a ed.)

Hanna, M. S., & Gibson, J. W. (1992). Public speaking for personal success (3rd ed.). WCB.

Cita Chicago Style (17a ed.)

Hanna, Michael S., y James William Gibson. Public Speaking for Personal Success. 3rd ed. Dubuque: WCB, 1992.

Cita MLA (9a ed.)

Hanna, Michael S., y James William Gibson. Public Speaking for Personal Success. 3rd ed. WCB, 1992.