Cita APA (7a ed.)
Osborn, M., & Osborn, S. (1994). Public Speaking (3rd ed.). Houghton Mifflin.
Cita Chicago Style (17a ed.)
Osborn, Michael, y Suzanne Osborn. Public Speaking. 3rd ed. Boston: Houghton Mifflin, 1994.
Cita MLA (9a ed.)
Osborn, Michael, y Suzanne Osborn. Public Speaking. 3rd ed. Houghton Mifflin, 1994.
Precaución: Estas citas no son 100% exactas.