Centaurea sp

Chicago citation style
Centaurea sp. 1 Jun 1927. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13052682&repo=DPLA. (Accessed November 21, 2018.)
APA citation style
(1 Jun 1927) Centaurea sp. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13052682&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13052682&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.