Henry Clay

Chicago citation style
Frederick C. Key, active 1844 - 1864. Henry Clay. c. 1844-1864. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.72.31&repo=DPLA. (Accessed December 15, 2018.)
APA citation style
Frederick C. Key, active 1844 - 1864, (c. 1844-1864) Henry Clay. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.72.31&repo=DPLA
MLA citation style
Frederick C. Key, active 1844 - 1864. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.72.31&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.