APA (7th ed.) Citation

Smithsonian Institution. (1918). Mineral industries of U.S.; Natural gas: Its production, service, and conservation. GPO.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Mineral Industries of U.S.; Natural Gas: Its Production, Service, and Conservation. [Washington]: GPO, 1918.

MLA (9th ed.) Citation

Smithsonian Institution. Mineral Industries of U.S.; Natural Gas: Its Production, Service, and Conservation. GPO, 1918.

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