Lactuca sp

Chicago citation style
Lactuca sp. 28 Aug 1888. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13122974&repo=DPLA. (Accessed December 12, 2018.)
APA citation style
(28 Aug 1888) Lactuca sp. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13122974&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13122974&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.