APA (7th ed.) Citation

McCaskey, H. D., & Burchard, E. F. (1919). Our mineral supplies. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

McCaskey, H. D., and Ernest F. Burchard. Our Mineral Supplies. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1919.

MLA (9th ed.) Citation

McCaskey, H. D., and Ernest F. Burchard. Our Mineral Supplies. Department of the Interior, United States Geological Survey, 1919.