Não informado. (1974). Utah geology. Utah Department of Natural Resources, Geological and Mineral Survey.
Cita Chicago Style (17a ed.)Não informado. Utah Geology. Salt Lake City, Utah: Utah Department of Natural Resources, Geological and Mineral Survey, 1974.
Cita MLA (8a ed.)Não informado. Utah Geology. Utah Department of Natural Resources, Geological and Mineral Survey, 1974.
Precaución: Estas citas no son 100% exactas.