Christiansen, R. L., & Christiansen, R. L. (2001). The quaternary and pliocene Yellowstone Plateau Volcanic field of Wyoming, Idaho, and Montana. Reston, Va.: U.S. Geological Survey.
Chicago Style CitationChristiansen, Robert L., and Robert L. Christiansen. The Quaternary and Pliocene Yellowstone Plateau Volcanic Field of Wyoming, Idaho, and Montana. Reston, Va.: U.S. Geological Survey, 2001.
MLA CitationChristiansen, Robert L., and Robert L. Christiansen. The Quaternary and Pliocene Yellowstone Plateau Volcanic Field of Wyoming, Idaho, and Montana. Reston, Va.: U.S. Geological Survey, 2001.
Warning: These citations may not always be 100% accurate.