Alt, D. D. (1984). Profiles of Montana geology: A layman's guide to the Treasure State. Montana Bureau of Mines and Geology.
Cita Chicago Style (17a ed.)Alt, David D. Profiles of Montana Geology: A Layman's Guide to the Treasure State. Butte, Mont.: Montana Bureau of Mines and Geology, 1984.
Cita MLA (8a ed.)Alt, David D. Profiles of Montana Geology: A Layman's Guide to the Treasure State. Montana Bureau of Mines and Geology, 1984.
Precaución: Estas citas no son 100% exactas.