Lactuca ludoviciana (Nutt.) Riddell

Chicago citation style
Lactuca ludoviciana (Nutt.) Riddell. 10 May 1920. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13061551&repo=DPLA. (Accessed December 19, 2018.)
APA citation style
(10 May 1920) Lactuca ludoviciana (Nutt.) Riddell. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13061551&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13061551&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.