Opuntia shaferi Britton & Rose

Chicago citation style
Opuntia shaferi Britton & Rose. 6 Feb 1917. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2101634&repo=DPLA. (Accessed November 14, 2018.)
APA citation style
(6 Feb 1917) Opuntia shaferi Britton & Rose. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2101634&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2101634&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.