APA (7th ed.) Citation

Geological Survey (U.S.) & Earhart, R. L. (1981). The Conterminous United States mineral appraisal program: Background information to accompany folio of geologic, geochemical, geophysical, and mineral resource maps of the Choteau 1 ̊x 2 ̊quadrangle, Montana. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Robert L. Earhart. The Conterminous United States Mineral Appraisal Program: Background Information to Accompany Folio of Geologic, Geochemical, Geophysical, and Mineral Resource Maps of the Choteau 1 ̊x 2 ̊quadrangle, Montana. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1981.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Robert L. Earhart. The Conterminous United States Mineral Appraisal Program: Background Information to Accompany Folio of Geologic, Geochemical, Geophysical, and Mineral Resource Maps of the Choteau 1 ̊x 2 ̊quadrangle, Montana. U.S. Dept. of the Interior, Geological Survey, 1981.