The imported cabbage worm and the cabbage aphis /

Chicago citation style
Parker, J. R. (John Robert), 1884-. The imported cabbage worm and the cabbage aphis /. 1913. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100596313. (Accessed November 18, 2018.)
APA citation style
Parker, J. R. (John Robert), 1884-, (1913) The imported cabbage worm and the cabbage aphis /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100596313
MLA citation style
Parker, J. R. (John Robert), 1884-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/100596313>.
Note: These citations are programmatically generated and may be incomplete.