Topographical map, Gettysburg-Antietam

Chicago citation style
Army Service Schools (U.S.). Topographical map, Gettysburg-Antietam. 1913. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/7h149z05n. (Accessed July 20, 2018.)
APA citation style
Army Service Schools (U.S.), (1913) Topographical map, Gettysburg-Antietam. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/7h149z05n
MLA citation style
Army Service Schools (U.S.). Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/7h149z05n>.
Note: These citations are programmatically generated and may be incomplete.