APA (7th ed.) Citation

United States. Department of the Interior. (1922). Helping shop teacher through supervision. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Helping Shop Teacher Through Supervision. [Washington]: GPO, 1922.

MLA (9th ed.) Citation

United States. Department of the Interior. Helping Shop Teacher Through Supervision. GPO, 1922.

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