APA (7th ed.) Citation

Robbins, S. L., Roberts, C. W., & Chapman, R. H. (1976). Bouguer gravity map of the San Francisco Bay region, California, northwest sector. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Robbins, Stephen L., Carter W. Roberts, and R. H. Chapman. Bouguer Gravity Map of the San Francisco Bay Region, California, Northwest Sector. Menlo Park, Calif.: Dept. of the Interior, U.S. Geological Survey, 1976.

MLA (9th ed.) Citation

Robbins, Stephen L., et al. Bouguer Gravity Map of the San Francisco Bay Region, California, Northwest Sector. Dept. of the Interior, U.S. Geological Survey, 1976.