Elm bark beetles

Chicago citation style
Whitten, R. R. Elm bark beetles. 1967]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100232279. (Accessed December 10, 2018.)
APA citation style
Whitten, R. R, (1967]) Elm bark beetles. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100232279
MLA citation style
Whitten, R. R. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/100232279>.
Note: These citations are programmatically generated and may be incomplete.