APA (7th ed.) Citation

(1964). Preliminary geologic map and sections of the Hogan 4 Northeast quadrangle, Lewis and Clark and Cascade Counties, Montana. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Preliminary Geologic Map and Sections of the Hogan 4 Northeast Quadrangle, Lewis and Clark and Cascade Counties, Montana. Washington, D.C: U.S. Geological Survey, 1964.

MLA (9th ed.) Citation

Preliminary Geologic Map and Sections of the Hogan 4 Northeast Quadrangle, Lewis and Clark and Cascade Counties, Montana. U.S. Geological Survey, 1964.