Abraham Lincoln

Chicago citation style
Kimmel & Forster Engraving & Lithography Company, active c.1865 - c.1866. Abraham Lincoln. c. 1865. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.80.40&repo=DPLA. (Accessed December 18, 2018.)
APA citation style
Kimmel & Forster Engraving & Lithography Company, active c.1865 - c.1866, (c. 1865) Abraham Lincoln. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.80.40&repo=DPLA
MLA citation style
Kimmel & Forster Engraving & Lithography Company, active c.1865 - c.1866. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.80.40&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.