APA (7th ed.) Citation

Geological Survey & Williams, D. L. (1988). Residual Bouguer gravity anomaly map of the Cascade Range, California, Oregon, Washington, and British Columbia. The Survey ; For sale by Map Distribution.

Chicago Style (17th ed.) Citation

Geological Survey and D. L. Williams. Residual Bouguer Gravity Anomaly Map of the Cascade Range, California, Oregon, Washington, and British Columbia. Reston, Va. : Denver, CO: The Survey ; For sale by Map Distribution, 1988.

MLA (8th ed.) Citation

Geological Survey and D. L. Williams. Residual Bouguer Gravity Anomaly Map of the Cascade Range, California, Oregon, Washington, and British Columbia. The Survey ; For sale by Map Distribution, 1988.

Warning: These citations may not always be 100% accurate.