Cita APA

Gray, G. W. (1959). The bases of speech (3a. ed.). New York: Harper.

Citación estilo Chicago

Gray, Giles Wilkeson. The Bases of Speech. 3a. ed. New York: Harper, 1959.

Cita MLA

Gray, Giles Wilkeson. The Bases of Speech. 3a. ed. New York: Harper, 1959.