APA (7th ed.) Citation

Prouty, W. F. (1916). Preliminary report on the crystalline and other marbles of Alabama. Geological Survey of Alabama.

Chicago Style (17th ed.) Citation

Prouty, William F. Preliminary Report on the Crystalline and Other Marbles of Alabama. University, Ala.: Geological Survey of Alabama, 1916.

MLA (8th ed.) Citation

Prouty, William F. Preliminary Report on the Crystalline and Other Marbles of Alabama. Geological Survey of Alabama, 1916.