Bark Beetles: Dendroctonus - All States

Chicago citation style
Department of Agriculture. Forest Service. 7/1/1905. Bark Beetles: Dendroctonus - All States. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7108093. (Accessed November 21, 2018.)
APA citation style
Department of Agriculture. Forest Service. 7/1/1905, Bark Beetles: Dendroctonus - All States. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7108093
MLA citation style
Department of Agriculture. Forest Service. 7/1/1905. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/7108093>.
Note: These citations are programmatically generated and may be incomplete.