APA (7th ed.) Citation

United States. Department of the Interior. (1931). Speech defects and their correction; for teachers, parents, and pupils. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Speech Defects and Their Correction; for Teachers, Parents, and Pupils. [Washington]: GPO, 1931.

MLA (9th ed.) Citation

United States. Department of the Interior. Speech Defects and Their Correction; for Teachers, Parents, and Pupils. GPO, 1931.

Warning: These citations may not always be 100% accurate.