APA (7th ed.) Citation

Penrose, R. A. F. (1888). Nature and origin of deposits of phosphate of lime. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Penrose, R. A. F. Nature and Origin of Deposits of Phosphate of Lime. Washington, D.C.: Department of the Interior, United States Geological Survey, 1888.

MLA (9th ed.) Citation

Penrose, R. A. F. Nature and Origin of Deposits of Phosphate of Lime. Department of the Interior, United States Geological Survey, 1888.