APA (7th ed.) Citation

(1969). Geologic map of Washington. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geologic Map of Washington. Washington, D.C: U.S. Geological Survey, 1969.

MLA (9th ed.) Citation

Geologic Map of Washington. U.S. Geological Survey, 1969.

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