APA (7th ed.) Citation

Shoemaker, E. M. (1956). Geologic map of the Roc Creek quadrangle, Colorado. Geological Survey.

Chicago Style (17th ed.) Citation

Shoemaker, Eugene M. Geologic Map of the Roc Creek Quadrangle, Colorado. Washington, D.C.: Geological Survey, 1956.

MLA (9th ed.) Citation

Shoemaker, Eugene M. Geologic Map of the Roc Creek Quadrangle, Colorado. Geological Survey, 1956.

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