Xanthium sp

Chicago citation style
Xanthium sp. 27 Feb 1963. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12993163&repo=DPLA. (Accessed November 14, 2018.)
APA citation style
(27 Feb 1963) Xanthium sp. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12993163&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12993163&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.