The fungus gnats of North America, part IV /

Chicago citation style
Johannsen, O. A. (Oskar Augustus), 1870-1961. The fungus gnats of North America, part IV /. 1912. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100596011. (Accessed November 15, 2018.)
APA citation style
Johannsen, O. A. (Oskar Augustus), 1870-1961, (1912) The fungus gnats of North America, part IV /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100596011
MLA citation style
Johannsen, O. A. (Oskar Augustus), 1870-1961. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/100596011>.
Note: These citations are programmatically generated and may be incomplete.