APA

Van Riper C., Butler K. G., . (1955). Speech in the elementary classroom. New York: Harper.

Chicago

Van Riper Charles, Butler Katharine Gorrell, . 1955. Speech in the elementary classroom. New York: Harper.

Harvard

Van Riper C., Butler K. G., . (1955). Speech in the elementary classroom. New York: Harper.

MLA

Van Riper Charles, Butler Katharine Gorrell, . Speech in the elementary classroom. New York: Harper. 1955.