Helenium autumnale L

Chicago citation style
Helenium autumnale L. 17 Sep 1940. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12863899&repo=DPLA. (Accessed November 17, 2018.)
APA citation style
(17 Sep 1940) Helenium autumnale L. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12863899&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12863899&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.