APA (7th ed.) Citation

Houghton mifflin company, Osborn, M., & Osborn, S. (1997). Public speaking (3th.). Houghton mifflin company.

Chicago Style (17th ed.) Citation

Houghton mifflin company, M. Osborn, and S. Osborn. Public Speaking. 3th. Boston: Houghton mifflin company, 1997.

MLA (8th ed.) Citation

Houghton mifflin company, et al. Public Speaking. 3th. Houghton mifflin company, 1997.