Corn in Missouri. II, Field methods that increase the corn crop /

Chicago citation style
Helm, C. A. (Charles Alton), 1889-. Corn in Missouri. II, Field methods that increase the corn crop /. 1921. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100596210. (Accessed November 20, 2018.)
APA citation style
Helm, C. A. (Charles Alton), 1889-, (1921) Corn in Missouri. II, Field methods that increase the corn crop /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100596210
MLA citation style
Helm, C. A. (Charles Alton), 1889-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/100596210>.
Note: These citations are programmatically generated and may be incomplete.