Snell, J. A. K., Max, T. A., & Pacific Northwest Forest and Range Experiment Station. (1985). Estimating the weight of crown segments for old-growth Douglas-fir and western hemlock. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.
Chicago Style (17th ed.) CitationSnell, J. A. Kendall, Timothy A. Max, and Pacific Northwest Forest and Range Experiment Station. Estimating the Weight of Crown Segments for Old-growth Douglas-fir and Western Hemlock. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985.
MLA (8th ed.) CitationSnell, J. A. Kendall, et al. Estimating the Weight of Crown Segments for Old-growth Douglas-fir and Western Hemlock. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985.