APA (7th ed.) Citation

Geological Survey (U.S.), Weir, G. W., Ulrich, G. E., & Nealey, L. D. (1989). Geologic map of the Sedona 30ʹ x 60ʹ quadrangle, Yavapai and Coconino counties, Arizona. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Gordon W. Weir, George E. Ulrich, and L. David Nealey. Geologic Map of the Sedona 30ʹ X 60ʹ Quadrangle, Yavapai and Coconino Counties, Arizona. Reston, Va.: The Survey, 1989.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Sedona 30ʹ X 60ʹ Quadrangle, Yavapai and Coconino Counties, Arizona. The Survey, 1989.