Betula nigra L

Chicago citation style
Betula nigra L. 31 Aug 1997. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2180370&repo=DPLA. (Accessed November 19, 2018.)
APA citation style
(31 Aug 1997) Betula nigra L. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2180370&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2180370&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.