United States. Forest Health Technology Enterprise Team, Fettig, C. J., Dellinger, T. A., Fidgen, J. G., & Salom, S. M. (2010). Sampling methods for forest and shade tree insects of North America. Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service.
Chicago Style (17th ed.) CitationUnited States. Forest Health Technology Enterprise Team, Christopher J. Fettig, Theresa A. Dellinger, Jeffrey George Fidgen, and S. M. Salom. Sampling Methods for Forest and Shade Tree Insects of North America. Morgantown, W. Va.: Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2010.
MLA (9th ed.) CitationUnited States. Forest Health Technology Enterprise Team, et al. Sampling Methods for Forest and Shade Tree Insects of North America. Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2010.