Crataegus piperi Britton

Chicago citation style
Crataegus piperi Britton. 30 May 1894. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2138678&repo=DPLA. (Accessed December 19, 2018.)
APA citation style
(30 May 1894) Crataegus piperi Britton. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2138678&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2138678&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.