APA (7th ed.) Citation

Petersen, R. G., & Phoenix, D. A. (1959). Preliminary geologic map of the Paria Plateau NE quadrangle, Coconino County, Arizona. The Survey.

Chicago Style (17th ed.) Citation

Petersen, Richard G., and David A. Phoenix. Preliminary Geologic Map of the Paria Plateau NE Quadrangle, Coconino County, Arizona. Washington, D.C.: The Survey, 1959.

MLA (8th ed.) Citation

Petersen, Richard G., and David A. Phoenix. Preliminary Geologic Map of the Paria Plateau NE Quadrangle, Coconino County, Arizona. The Survey, 1959.