APA (7th ed.) Citation

Prophet, M. L., & Prophet, E. C. (1990). The science of the spoken word. Summit University Press.

Chicago Style (17th ed.) Citation

Prophet, Mark L., and Elizabeth Clare Prophet. The Science of the Spoken Word. Livingston, Mont: Summit University Press, 1990.

MLA (9th ed.) Citation

Prophet, Mark L., and Elizabeth Clare Prophet. The Science of the Spoken Word. Summit University Press, 1990.