Virginia, Fredericksburg, Battery D, Second United States Artillery.

Chicago citation style
War Department. 1789-9/18/1947. Virginia, Fredericksburg, Battery D, Second United States Artillery.. 1863. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/533305. (Accessed October 22, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1863) Virginia, Fredericksburg, Battery D, Second United States Artillery.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/533305
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/533305>.
Note: These citations are programmatically generated and may be incomplete.