Abraham Lincoln and Gen. George McClellan at Antietam

Chicago citation style
Gardner, Alexander, 1821-1882. Abraham Lincoln and Gen. George McClellan at Antietam. 1862-10-03. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/p15155coll1/id/2151. (Accessed June 24, 2018.)
APA citation style
Gardner, Alexander, 1821-1882, (1862-10-03) Abraham Lincoln and Gen. George McClellan at Antietam. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/p15155coll1/id/2151
MLA citation style
Gardner, Alexander, 1821-1882. Retrieved from the Digital Public Library of America <http://contentdm.acpl.lib.in.us/cdm/ref/collection/p15155coll1/id/2151>.
Note: These citations are programmatically generated and may be incomplete.