Schmidt, R. G. (1986). Geology, earthquake hazards, and land use in the Helena area, Montana - a review: A review of the earthquake problems at and near the capital of Montana - a first step toward the reduction of earthquake hazards in this rapidly developing region. U.S. Gov. Print. Off.
Chicago Style (17th ed.) CitationSchmidt, Robert Georg. Geology, Earthquake Hazards, and Land Use in the Helena Area, Montana - a Review: A Review of the Earthquake Problems at and Near the Capital of Montana - a First Step Toward the Reduction of Earthquake Hazards in This Rapidly Developing Region. Washington: U.S. Gov. Print. Off, 1986.
MLA (9th ed.) CitationSchmidt, Robert Georg. Geology, Earthquake Hazards, and Land Use in the Helena Area, Montana - a Review: A Review of the Earthquake Problems at and Near the Capital of Montana - a First Step Toward the Reduction of Earthquake Hazards in This Rapidly Developing Region. U.S. Gov. Print. Off, 1986.