United States. Forest Service. Northern Region. (1986). Absaroka Beartooth Wilderness: Custer, Gallatin, and Shoshone National Forests, Montana and Wyoming. The Service.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Northern Region. Absaroka Beartooth Wilderness: Custer, Gallatin, and Shoshone National Forests, Montana and Wyoming. [Missoula, Mont.?]: The Service, 1986.
MLA (9th ed.) CitationUnited States. Forest Service. Northern Region. Absaroka Beartooth Wilderness: Custer, Gallatin, and Shoshone National Forests, Montana and Wyoming. The Service, 1986.
Warning: These citations may not always be 100% accurate.