Smithsonian Institution. (1917). Mineral industries of U.S.; Sulfur: Example of industrial independence. GPO.
Chicago Style (17th ed.) CitationSmithsonian Institution. Mineral Industries of U.S.; Sulfur: Example of Industrial Independence. [Washington]: GPO, 1917.
MLA (9th ed.) CitationSmithsonian Institution. Mineral Industries of U.S.; Sulfur: Example of Industrial Independence. GPO, 1917.
Warning: These citations may not always be 100% accurate.