Piper pennellii Trel. & Yunck

Chicago citation style
Piper pennellii Trel. & Yunck. 21 Jul 1922. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2110308&repo=DPLA. (Accessed November 17, 2018.)
APA citation style
(21 Jul 1922) Piper pennellii Trel. & Yunck. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2110308&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2110308&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.