APA

Howell W. S., Bormann E. G. & Howell W. S. (1971). The process of presentational speaking. New York: Harper & Row.

Chicago

Howell William Smiley, Bormann Ernest G and Howell William Smiley. 1971. The process of presentational speaking. New York: Harper & Row.

Harvard

Howell W. S., Bormann E. G. and Howell W. S. (1971). The process of presentational speaking. New York: Harper & Row.

MLA

Howell William Smiley, Bormann Ernest G and Howell William Smiley. The process of presentational speaking. New York: Harper & Row. 1971.