Henry Wadsworth Longfellow

Chicago citation style
George Kendall Warren, 1834 - 1884. Henry Wadsworth Longfellow. c. 1870. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.79.19&repo=DPLA. (Accessed December 13, 2018.)
APA citation style
George Kendall Warren, 1834 - 1884, (c. 1870) Henry Wadsworth Longfellow. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.79.19&repo=DPLA
MLA citation style
George Kendall Warren, 1834 - 1884. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.79.19&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.