Helenium amarum (Raf.) H. Rock

Chicago citation style
Helenium amarum (Raf.) H. Rock. 16 Jun 1964. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12863639&repo=DPLA. (Accessed November 14, 2018.)
APA citation style
(16 Jun 1964) Helenium amarum (Raf.) H. Rock. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12863639&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12863639&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.