APA (7th ed.) Citation

United States. Forest Service. (1989). Tread lightly on your national forests and other public lands. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

United States. Forest Service. Tread Lightly on Your National Forests and Other Public Lands. [Washington, D.C.?]: U.S. Dept. of Agriculture, 1989.

MLA (9th ed.) Citation

United States. Forest Service. Tread Lightly on Your National Forests and Other Public Lands. U.S. Dept. of Agriculture, 1989.