Gregory, R B - Age: 21, Year: 1863 - Mississippi First Light Artillery, Gr-Hi

Chicago citation style
War Department. The Adjutant General's Office. 3/4/1907-9/18/1947. Gregory, R B - Age: 21, Year: 1863 - Mississippi First Light Artillery, Gr-Hi. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17649303. (Accessed July 20, 2018.)
APA citation style
War Department. The Adjutant General's Office. 3/4/1907-9/18/1947, Gregory, R B - Age: 21, Year: 1863 - Mississippi First Light Artillery, Gr-Hi. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17649303
MLA citation style
War Department. The Adjutant General's Office. 3/4/1907-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/17649303>.
Note: These citations are programmatically generated and may be incomplete.