APA (7th ed.) Citation

United States. Forest Service. (1985). National forest log scaling handbook (Amendment no. 6.). U.S. Dept. of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

United States. Forest Service. National Forest Log Scaling Handbook. Amendment no. 6. Washington, [D.C.?]: U.S. Dept. of Agriculture, Forest Service, 1985.

MLA (9th ed.) Citation

United States. Forest Service. National Forest Log Scaling Handbook. Amendment no. 6. U.S. Dept. of Agriculture, Forest Service, 1985.