Geological Survey (U.S.), Weir, G. W., Ulrich, G. E., & Nealey, L. D. (1986). Preliminary geologic map of the Sedona 30' by 60' quadrangle, Yavapai and Coconino counties, Arizona. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Gordon W. Weir, George E. Ulrich, and L. David Nealey. Preliminary Geologic Map of the Sedona 30' by 60' Quadrangle, Yavapai and Coconino Counties, Arizona. [Denver, Colo.?]: The Survey, 1986.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Preliminary Geologic Map of the Sedona 30' by 60' Quadrangle, Yavapai and Coconino Counties, Arizona. The Survey, 1986.
Warning: These citations may not always be 100% accurate.