APA (7th ed.) Citation

Geological Survey (U.S.) & Luedke, R. G. (1995). Slope map of the Telluride quadrangle, San Miguel, Ouray, and San Juan counties, Colorado. The Survey ; USGS Information Service.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Robert G. Luedke. Slope Map of the Telluride Quadrangle, San Miguel, Ouray, and San Juan Counties, Colorado. [Reston, Va.] : Denver, Colo: The Survey ; USGS Information Service, 1995.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Robert G. Luedke. Slope Map of the Telluride Quadrangle, San Miguel, Ouray, and San Juan Counties, Colorado. The Survey ; USGS Information Service, 1995.