APA (7th ed.) Citation

United States. Department of the Interior. (1931). Helps for schools in celebrating George Washington bicentennial in 1932. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Helps for Schools in Celebrating George Washington Bicentennial in 1932. [Washington]: GPO, 1931.

MLA (9th ed.) Citation

United States. Department of the Interior. Helps for Schools in Celebrating George Washington Bicentennial in 1932. GPO, 1931.

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