APA (7th ed.) Citation

Cooley, M. E., Aldridge, B. N., & Euler, R. C. (1977). Effects of the catastrophic flood of December 1966, north rim area, eastern Grand Canyon, Arizona. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Cooley, M. E., B. N. Aldridge, and Robert C. Euler. Effects of the Catastrophic Flood of December 1966, North Rim Area, Eastern Grand Canyon, Arizona. Washington: United States Department of the Interior, Geological Survey, 1977.

MLA (9th ed.) Citation

Cooley, M. E., et al. Effects of the Catastrophic Flood of December 1966, North Rim Area, Eastern Grand Canyon, Arizona. United States Department of the Interior, Geological Survey, 1977.