Billbergia tweediana var. minor L.B. Sm

Chicago citation style
Billbergia tweediana var. minor L.B. Sm. 27 Jul 1939. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_11335299&repo=DPLA. (Accessed November 17, 2018.)
APA citation style
(27 Jul 1939) Billbergia tweediana var. minor L.B. Sm. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_11335299&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_11335299&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.