APA (7th ed.) Citation

Ericksen, G. E. (1980). Geology and origin of the Chilean nitrate deposits. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Ericksen, George Edward. Geology and Origin of the Chilean Nitrate Deposits. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1980.

MLA (9th ed.) Citation

Ericksen, George Edward. Geology and Origin of the Chilean Nitrate Deposits. U.S. Dept. of the Interior, Geological Survey, 1980.