Style de citation APA (7e éd.)
Schmidt, R. G. (1986). Geology, earthquake hazards, and land use in the Helena area, Montana: A review. United States Government Print. Office.
Style de citation Chicago (17e éd.)
Schmidt, Robert George. Geology, Earthquake Hazards, and Land Use in the Helena Area, Montana: A Review. Washington: United States Government Print. Office, 1986.
Style de citation MLA (9e éd.)
Schmidt, Robert George. Geology, Earthquake Hazards, and Land Use in the Helena Area, Montana: A Review. United States Government Print. Office, 1986.
Attention : ces citations peuvent ne pas être correctes à 100%.