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.