APA (7th ed.) Citation

DeVito, J. A. (1999). The element of public speaking (7th ed.). Longman.

Chicago Style (17th ed.) Citation

DeVito, Joseph A. The Element of Public Speaking. 7th ed. New York: Longman, 1999.

MLA (9th ed.) Citation

DeVito, Joseph A. The Element of Public Speaking. 7th ed. Longman, 1999.