Centaurea sp

Chicago citation style
Centaurea sp. 19 Jul 1883. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13052684&repo=DPLA. (Accessed December 11, 2018.)
APA citation style
(19 Jul 1883) Centaurea sp. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13052684&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13052684&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.