Cirsium ambiguum All

Chicago citation style
Cirsium ambiguum All. Jul 1870. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12979343&repo=DPLA. (Accessed November 15, 2018.)
APA citation style
(Jul 1870) Cirsium ambiguum All. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12979343&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12979343&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.