John Adams

Chicago citation style
Unidentified Artist. John Adams. c. 1820. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.79.7&repo=DPLA. (Accessed December 14, 2018.)
APA citation style
Unidentified Artist, (c. 1820) John Adams. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.79.7&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_NPG.79.7&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.