APA (7th ed.) Citation

Osborn, S., Osborn, M., & Osborn, R. (2008). Public speaking guidebook. A&B Peerson.

Chicago Style (17th ed.) Citation

Osborn, Suzanne, Michael Osborn, and Randall Osborn. Public Speaking Guidebook. Boston: A&B Peerson, 2008.

MLA (8th ed.) Citation

Osborn, Suzanne, et al. Public Speaking Guidebook. A&B Peerson, 2008.