APA (7th ed.) Citation

United States. Forest Service. (2002). Ski us, your national forests: The evolution of skiing on the National Forests. [U.S. Forest Service, Dept. of Agriculture].

Chicago Style (17th ed.) Citation

United States. Forest Service. Ski Us, Your National Forests: The Evolution of Skiing on the National Forests. [United States]: [U.S. Forest Service, Dept. of Agriculture], 2002.

MLA (9th ed.) Citation

United States. Forest Service. Ski Us, Your National Forests: The Evolution of Skiing on the National Forests. [U.S. Forest Service, Dept. of Agriculture], 2002.