United States. Bureau of Land Management. (1989). Bear Trap Canyon wilderness visitor's guide. U.S. Dept. of the Interior, Bureau of Land Management.
Chicago Style (17th ed.) CitationUnited States. Bureau of Land Management. Bear Trap Canyon Wilderness Visitor's Guide. [Butte, Mont.]: U.S. Dept. of the Interior, Bureau of Land Management, 1989.
MLA (8th ed.) CitationUnited States. Bureau of Land Management. Bear Trap Canyon Wilderness Visitor's Guide. U.S. Dept. of the Interior, Bureau of Land Management, 1989.
Warning: These citations may not always be 100% accurate.