APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), United States. Department of the Interior, U.S. Geological Survey Computer Symposium, and James Alfred Calkins. Interactive Computer Methods for Generating Mineral-resource Maps. [Reston, Va.]: United States, U.S. Dept. of the Interior, Geological Survey, 1980.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Interactive Computer Methods for Generating Mineral-resource Maps. United States, U.S. Dept. of the Interior, Geological Survey, 1980.