APA (7th ed.) Citation

Ericksen, G. E. (1981). Geology and origin of the Chilean nitrate deposits. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Ericksen, George Edward. Geology and Origin of the Chilean Nitrate Deposits. Washington: United States Department of the Interior, Geological Survey, 1981.

MLA (9th ed.) Citation

Ericksen, George Edward. Geology and Origin of the Chilean Nitrate Deposits. United States Department of the Interior, Geological Survey, 1981.

Warning: These citations may not always be 100% accurate.