Kelly, J. F., & Beltz, R. C. (1987). A comparison of tree volume estimation models for forest inventory. U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station.
Chicago Style (17th ed.) CitationKelly, John F., and Roy C. Beltz. A Comparison of Tree Volume Estimation Models for Forest Inventory. New Orleans, La.: U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station, 1987.
MLA (9th ed.) CitationKelly, John F., and Roy C. Beltz. A Comparison of Tree Volume Estimation Models for Forest Inventory. U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station, 1987.
Warning: These citations may not always be 100% accurate.