Centaurea cyanus L

Chicago citation style
Centaurea cyanus L. 5 Jul 1936. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2211040&repo=DPLA. (Accessed November 15, 2018.)
APA citation style
(5 Jul 1936) Centaurea cyanus L. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2211040&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2211040&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.