Major forest insect and disease conditions in the United States /
United States Department of Agriculture, Forest Service.

APA Citation

United States. Forest Service. Major forest insect and disease conditions in the United States. Washington, D.C.: U.S. Dept. of Agriculture, Forest Service.

MLA Citation

United States. Forest Service. Major Forest Insect And Disease Conditions In the United States. Washington, D.C.: U.S. Dept. of Agriculture, Forest Service,

Warning: These citations may not always be complete (especially for serials).