Potato flea-beetle (Epitrix cucumeris) /

Chicago citation style
Johannsen, O. A. (Oskar Augustus), 1870-1961. Potato flea-beetle (Epitrix cucumeris) /. 1913. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100596013. (Accessed November 17, 2018.)
APA citation style
Johannsen, O. A. (Oskar Augustus), 1870-1961, (1913) Potato flea-beetle (Epitrix cucumeris) /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100596013
MLA citation style
Johannsen, O. A. (Oskar Augustus), 1870-1961. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/100596013>.
Note: These citations are programmatically generated and may be incomplete.