APA (7th ed.) Citation

Billingsley, G. H., Block, D. L., & Dyer, H. C. (2006). Geologic map of the Peach Springs 30ʹ x 60ʹ quadrangle, Mohave and Coconino Counties, northwestern Arizona (Version 1.0.). U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Billingsley, George H., Debra L. Block, and Helen C. Dyer. Geologic Map of the Peach Springs 30ʹ X 60ʹ Quadrangle, Mohave and Coconino Counties, Northwestern Arizona. Version 1.0. Flagstaff, Ariz.: U.S. Dept. of the Interior, U.S. Geological Survey, 2006.

MLA (9th ed.) Citation

Billingsley, George H., et al. Geologic Map of the Peach Springs 30ʹ X 60ʹ Quadrangle, Mohave and Coconino Counties, Northwestern Arizona. Version 1.0. U.S. Dept. of the Interior, U.S. Geological Survey, 2006.