Guttmann, O. (1893). Gymnastics of the voice for song and speech: Also A method for the cure of stuttering and stammering (6th ed.). Edgar S. Werner.
Chicago Style (17th ed.) CitationGuttmann, Oskar. Gymnastics of the Voice for Song and Speech: Also A Method for the Cure of Stuttering and Stammering. 6th ed. New York: Edgar S. Werner, 1893.
MLA (9th ed.) CitationGuttmann, Oskar. Gymnastics of the Voice for Song and Speech: Also A Method for the Cure of Stuttering and Stammering. 6th ed. Edgar S. Werner, 1893.
Warning: These citations may not always be 100% accurate.