Isoetes engelmannii A. Braun

Chicago citation style
Isoetes engelmannii A. Braun. 21 May 1939. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12160880&repo=DPLA. (Accessed November 14, 2018.)
APA citation style
(21 May 1939) Isoetes engelmannii A. Braun. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12160880&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12160880&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.