APA (7th ed.) Citation

United States. Department of Commerce. (1924). Gas masks for gasoline and petroleum vapors. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Commerce. Gas Masks for Gasoline and Petroleum Vapors. [Washington]: GPO, 1924.

MLA (9th ed.) Citation

United States. Department of Commerce. Gas Masks for Gasoline and Petroleum Vapors. GPO, 1924.

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