Hilt, D. E., Herman, F. R., & Bell, J. F. (1977). A test of commercial thinning on the hemlock experimental forest. Pacific Northwest Forest and Range Experiment Station, USDA Forest Service.
Chicago Style (17th ed.) CitationHilt, Donald E., Francis R. Herman, and John F. Bell. A Test of Commercial Thinning on the Hemlock Experimental Forest. Portland, Or: Pacific Northwest Forest and Range Experiment Station, USDA Forest Service, 1977.
MLA (9th ed.) CitationHilt, Donald E., et al. A Test of Commercial Thinning on the Hemlock Experimental Forest. Pacific Northwest Forest and Range Experiment Station, USDA Forest Service, 1977.
Warning: These citations may not always be 100% accurate.