The bases of speech :

MLA

Gray, Gilles Wilkeson, and Claude Merton Wise. The Bases of Speech . Revised edition New York: Harper & Brothers, 1946.

APA

Gray, G. Wilkeson, & Wise, C. Merton. (1946). The bases of speech . Revised edition New York: Harper & Brothers.

Chicago

Gray, Gilles Wilkeson, and Claude Merton Wise. The Bases of Speech :. Revised edition New York: Harper & Brothers, 1946.