APA (7th ed.) Citation

United States. Forest Service. (1983). Hungry Horse Ranger District: Flathead National Forest. [U.S. Dept. of Agriculture, Forest Service?].

Chicago Style (17th ed.) Citation

United States. Forest Service. Hungry Horse Ranger District: Flathead National Forest. [Washington, D.C.?]: [U.S. Dept. of Agriculture, Forest Service?], 1983.

MLA (9th ed.) Citation

United States. Forest Service. Hungry Horse Ranger District: Flathead National Forest. [U.S. Dept. of Agriculture, Forest Service?], 1983.