APA (7th ed.) Citation

Schmidt, R. G. (1985). Geology, earthquake hazards, and land use in the Helena area, Montana, a review. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Schmidt, Robert George. Geology, Earthquake Hazards, and Land Use in the Helena Area, Montana, a Review. Washington: United States Department of the Interior, Geological Survey, 1985.

MLA (9th ed.) Citation

Schmidt, Robert George. Geology, Earthquake Hazards, and Land Use in the Helena Area, Montana, a Review. United States Department of the Interior, Geological Survey, 1985.