Medicago polymorpha L

Chicago citation style
Medicago polymorpha L. 12 Apr 1922. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13314071&repo=DPLA. (Accessed December 9, 2018.)
APA citation style
(12 Apr 1922) Medicago polymorpha L. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13314071&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13314071&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.