APA (7th ed.) Citation

Calkins, J. A., Geological Survey (U.S.), United States. Department of the Interior., & U.S. Geological Survey Computer Symposium. (1980). Interactive computer methods for generating mineral-resource maps. United States, U.S. Dept. of the Interior, Geological Survey ; Free on application to Branch of Distribution, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Calkins, James Alfred, Geological Survey (U.S.), United States. Department of the Interior, and U.S. Geological Survey Computer Symposium. Interactive Computer Methods for Generating Mineral-resource Maps. [Reston, Va.?] : Alexandria, Va. (604 South Pickett Street, Alexandria, Va. (22304)): United States, U.S. Dept. of the Interior, Geological Survey ; Free on application to Branch of Distribution, U.S. Geological Survey, 1980.

MLA (8th ed.) Citation

Calkins, James Alfred, et al. Interactive Computer Methods for Generating Mineral-resource Maps. United States, U.S. Dept. of the Interior, Geological Survey ; Free on application to Branch of Distribution, U.S. Geological Survey, 1980.