APA (7th ed.) Citation

Wells, J. D. (1967). Geology of the Eldorado Springs quadrangle, Boulder and Jefferson counties, Colorado: Petrography, stratigraphy, and structural geology of the Precambrian metamorphic and igneous rocks, Paleozoic and Mesozoic sedimentary rocks, and Cenozoic surficial deposits. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Wells, John David. Geology of the Eldorado Springs Quadrangle, Boulder and Jefferson Counties, Colorado: Petrography, Stratigraphy, and Structural Geology of the Precambrian Metamorphic and Igneous Rocks, Paleozoic and Mesozoic Sedimentary Rocks, and Cenozoic Surficial Deposits. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1967.

MLA (9th ed.) Citation

Wells, John David. Geology of the Eldorado Springs Quadrangle, Boulder and Jefferson Counties, Colorado: Petrography, Stratigraphy, and Structural Geology of the Precambrian Metamorphic and Igneous Rocks, Paleozoic and Mesozoic Sedimentary Rocks, and Cenozoic Surficial Deposits. United States Department of the Interior, Geological Survey, 1967.