APA (7th ed.) Citation

United States. Forest Service, Berg, S. K., & Benzie, J. W. (1980). Red pine: An American wood. Forest Service, U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

United States. Forest Service, Samuli Kustaa Berg, and John W. Benzie. Red Pine: An American Wood. [Washington, D.C.?]: Forest Service, U.S. Dept. of Agriculture, 1980.

MLA (9th ed.) Citation

United States. Forest Service, et al. Red Pine: An American Wood. Forest Service, U.S. Dept. of Agriculture, 1980.