Clark, Thomas - Age 20, Year: 1864 - 1st US Colored Heavy Artillery

Chicago citation style
War Department. The Adjutant General's Office. 3/4/1907-9/18/1947. Clark, Thomas - Age 20, Year: 1864 - 1st US Colored Heavy Artillery. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/38236500. (Accessed November 20, 2018.)
APA citation style
War Department. The Adjutant General's Office. 3/4/1907-9/18/1947, Clark, Thomas - Age 20, Year: 1864 - 1st US Colored Heavy Artillery. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/38236500
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/38236500>.
Note: These citations are programmatically generated and may be incomplete.