Xanthium canadense

Chicago citation style
Xanthium canadense. 29 Aug 1896. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12987179&repo=DPLA. (Accessed November 14, 2018.)
APA citation style
(29 Aug 1896) Xanthium canadense. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12987179&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12987179&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.