Cita APA (7th ed.)

Gray, G. W., & Wise, C. M. (1959). The bases of speech (3a. ed.). Harper & Row.

Cita Chicago (17th ed.)

Gray, Giles Wilkeson, i Claude Merton Wise. The Bases of Speech. 3a. ed. Nueva York: Harper & Row, 1959.

Cita MLA (9th ed.)

Gray, Giles Wilkeson, i Claude Merton Wise. The Bases of Speech. 3a. ed. Harper & Row, 1959.