Cirsium hillii (Canby) Fernald

Chicago citation style
Cirsium hillii (Canby) Fernald. 10 Jul 1904. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12978039&repo=DPLA. (Accessed December 17, 2018.)
APA citation style
(10 Jul 1904) Cirsium hillii (Canby) Fernald. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12978039&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12978039&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.