Declaration of Independence

Chicago citation style
James Barton Longacre, 11 Aug 1794 - 1 Jan 1869. Declaration of Independence. c. 1818. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_S_NPG.79.64.A&repo=DPLA. (Accessed December 10, 2018.)
APA citation style
James Barton Longacre, 11 Aug 1794 - 1 Jan 1869, (c. 1818) Declaration of Independence. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_S_NPG.79.64.A&repo=DPLA
MLA citation style
James Barton Longacre, 11 Aug 1794 - 1 Jan 1869. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_S_NPG.79.64.A&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.