Não informado. (1974). Utah geology. Utah Department of Natural Resources, Geological and Mineral Survey.
Style de citation Chicago (17e éd.)Não informado. Utah Geology. Salt Lake City, Utah: Utah Department of Natural Resources, Geological and Mineral Survey, 1974.
Style de citation MLA (8e éd.)Não informado. Utah Geology. Utah Department of Natural Resources, Geological and Mineral Survey, 1974.
Attention : ces citations peuvent ne pas être correctes à 100%.