APA (7th ed.) Citation

Durham, D. L., Addicott, W. O., & Geological Survey. (1965). Pancho Rico Formation, Salinas Valley, California. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Durham, David L., Warren O. Addicott, and Geological Survey. Pancho Rico Formation, Salinas Valley, California. Washington: United States Department of the Interior, Geological Survey, 1965.

MLA (8th ed.) Citation

Durham, David L., et al. Pancho Rico Formation, Salinas Valley, California. United States Department of the Interior, Geological Survey, 1965.