APA (7th ed.) Citation
Bownocker, J. A. (1939). Glass sands and molding sands. Geological Survey of Ohio.
Chicago Style (17th ed.) Citation
Bownocker, J. A. Glass Sands and Molding Sands. [Columbus]: Geological Survey of Ohio, 1939.
MLA (9th ed.) Citation
Bownocker, J. A. Glass Sands and Molding Sands. Geological Survey of Ohio, 1939.
Warning: These citations may not always be 100% accurate.