Barger, J. H., Hall, R. W., & Townsend, A. M. (1992). Elm leaf beetle performance on ozone-fumigated elm. United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station.
Chicago Style (17th ed.) CitationBarger, Jack H., Richard W. Hall, and Alden M. Townsend. Elm Leaf Beetle Performance on Ozone-fumigated Elm. Radnor, Pennsylvania: United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1992.
MLA (9th ed.) CitationBarger, Jack H., et al. Elm Leaf Beetle Performance on Ozone-fumigated Elm. United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1992.
Warning: These citations may not always be 100% accurate.