Tracing Copy (Captured form Rebels). Portions of Penna. and Maryland [and West Virginia].

Chicago citation style
War Department. Office of the Chief of Engineers. 1818-9/18/1947. Tracing Copy (Captured form Rebels). Portions of Penna. and Maryland [and West Virginia].. 1861-01-01/1865-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/305729. (Accessed September 19, 2018.)
APA citation style
War Department. Office of the Chief of Engineers. 1818-9/18/1947, (1861-01-01/1865-12-31) Tracing Copy (Captured form Rebels). Portions of Penna. and Maryland [and West Virginia].. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/305729
MLA citation style
War Department. Office of the Chief of Engineers. 1818-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/305729>.
Note: These citations are programmatically generated and may be incomplete.