Solomon, D. S., Hosmer, R. A., & Northeastern Forest Experiment Station. (1987). User's guide for the northern hardwood stand models: SIMSAP and SIMTIM. United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station.
Chicago Style (17th ed.) CitationSolomon, Dale S., Richard A. Hosmer, and Northeastern Forest Experiment Station. User's Guide for the Northern Hardwood Stand Models: SIMSAP and SIMTIM. Broomall, PA: United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1987.
MLA (8th ed.) CitationSolomon, Dale S., et al. User's Guide for the Northern Hardwood Stand Models: SIMSAP and SIMTIM. United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1987.