APA (7th ed.) Citation

Verderber, R. F. (1991). Essentials of informative speaking: Theory & contexts. Wadsworth.

Chicago Style (17th ed.) Citation

Verderber, Rudolph F. Essentials of Informative Speaking: Theory & Contexts. Belmont, Calif.: Wadsworth, 1991.

MLA (9th ed.) Citation

Verderber, Rudolph F. Essentials of Informative Speaking: Theory & Contexts. Wadsworth, 1991.