Polypodium vulgare L

Chicago citation style
Polypodium vulgare L. 11 Jun 1925. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12530578&repo=DPLA. (Accessed November 19, 2018.)
APA citation style
(11 Jun 1925) Polypodium vulgare L. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12530578&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12530578&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.