Cirsium muticum Michx

Chicago citation style
Cirsium muticum Michx. 1842. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12978300&repo=DPLA. (Accessed December 14, 2018.)
APA citation style
(1842) Cirsium muticum Michx. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12978300&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12978300&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.