Cirsium quercetorum (A. Gray) Jeps

Chicago citation style
Cirsium quercetorum (A. Gray) Jeps. 21 May 1933. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12978528&repo=DPLA. (Accessed November 12, 2018.)
APA citation style
(21 May 1933) Cirsium quercetorum (A. Gray) Jeps. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12978528&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12978528&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.