Robert Frost

Chicago citation style
Clara Sipprell, 1885 - 1975. Robert Frost. c. 1955. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.82.155&repo=DPLA. (Accessed December 12, 2018.)
APA citation style
Clara Sipprell, 1885 - 1975, (c. 1955) Robert Frost. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.82.155&repo=DPLA
MLA citation style
Clara Sipprell, 1885 - 1975. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.82.155&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.