Xanthium californicum Greene

Chicago citation style
Xanthium californicum Greene. 26 Aug 1897. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12999564&repo=DPLA. (Accessed November 12, 2018.)
APA citation style
(26 Aug 1897) Xanthium californicum Greene. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12999564&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12999564&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.