The riddle of stuttering

MLA

Bluemel, Charles Sidney. The Riddle of Stuttering. Danville, Ill.: Interstate Pub. Co., 1957.

APA

Bluemel, C. Sidney. (1957). The riddle of stuttering. Danville, Ill.: Interstate Pub. Co.

Chicago

Bluemel, Charles Sidney, The Riddle of Stuttering. Danville, Ill.: Interstate Pub. Co., 1957.