Cita APA (7th ed.)

West, R., & Ansberry, M. (1957). The rehabilitation of speech (3rd ed.). Harper & Brothers.

Cita Chicago (17th ed.)

West, Robert, i Merle Ansberry. The Rehabilitation of Speech. 3rd ed. New York: Harper & Brothers, 1957.

Cita MLA (9th ed.)

West, Robert, i Merle Ansberry. The Rehabilitation of Speech. 3rd ed. Harper & Brothers, 1957.