Cirsium acaule

Chicago citation style
Cirsium acaule. 15 Sep 1911. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12979482&repo=DPLA. (Accessed December 11, 2018.)
APA citation style
(15 Sep 1911) Cirsium acaule. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12979482&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12979482&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.