APA (7th ed.) Citation

United States. Forest Service. Rocky Mountain Region, Geological Survey (U.S.), & Geometronics Service Center (U.S.). (1990). Arapaho National Forest: 7.5 minute series (topographic). USDA Forest Service, Rocky Mountain Region.

Chicago Style (17th ed.) Citation

United States. Forest Service. Rocky Mountain Region, Geological Survey (U.S.), and Geometronics Service Center (U.S.). Arapaho National Forest: 7.5 Minute Series (topographic). [Lakewood, Calif.]: USDA Forest Service, Rocky Mountain Region, 1990.

MLA (9th ed.) Citation

United States. Forest Service. Rocky Mountain Region, et al. Arapaho National Forest: 7.5 Minute Series (topographic). USDA Forest Service, Rocky Mountain Region, 1990.