APA (7th ed.) Citation

Kemp, L., & Butler, T. (1989). Mt. Hood National Forest sensitive plants and noxious weeds field guide. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, Mt. Hood National Forest.

Chicago Style (17th ed.) Citation

Kemp, Lois, and Tim Butler. Mt. Hood National Forest Sensitive Plants and Noxious Weeds Field Guide. [Gresham, Or.?]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, Mt. Hood National Forest, 1989.

MLA (9th ed.) Citation

Kemp, Lois, and Tim Butler. Mt. Hood National Forest Sensitive Plants and Noxious Weeds Field Guide. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, Mt. Hood National Forest, 1989.