Walt Whitman

Chicago citation style
Unidentified Artist. Walt Whitman. 1872. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_S_NPG.84.261&repo=DPLA. (Accessed December 11, 2018.)
APA citation style
Unidentified Artist, (1872) Walt Whitman. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_S_NPG.84.261&repo=DPLA
MLA citation style
Unidentified Artist. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_S_NPG.84.261&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.