APA (7th ed.) Citation

Geological Survey (U.S.), United States. National Park Service, United States. Bureau of Land Management. Arizona Strip District, Billingsley, G. H., & Wellmeyer, J. L. (2006). Geologic map of the Mount Trumbull 30ʹ x 60ʹ quadrangle, Mohave and Coconino counties, northwestern Arizona (Version 1.1, rev. 2006.). U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), United States. National Park Service, United States. Bureau of Land Management. Arizona Strip District, George H. Billingsley, and Jessica L. Wellmeyer. Geologic Map of the Mount Trumbull 30ʹ X 60ʹ Quadrangle, Mohave and Coconino Counties, Northwestern Arizona. Version 1.1, rev. 2006. Reston, Va: U.S. Dept. of the Interior, U.S. Geological Survey, 2006.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Mount Trumbull 30ʹ X 60ʹ Quadrangle, Mohave and Coconino Counties, Northwestern Arizona. Version 1.1, rev. 2006. U.S. Dept. of the Interior, U.S. Geological Survey, 2006.