Purple vetch /

Chicago citation style
McKee, Roland, 1880-. Purple vetch /. 1918. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102160367. (Accessed December 13, 2018.)
APA citation style
McKee, Roland, 1880-, (1918) Purple vetch /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102160367
MLA citation style
McKee, Roland, 1880-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/102160367>.
Note: These citations are programmatically generated and may be incomplete.