Obrain, John - Age [Blank], Year: [Blank] - Twentieth Infantry, Mu - Ro - Louisiana

Chicago citation style
War Department. The Adjutant General's Office. 3/4/1907-9/18/1947. Obrain, John - Age [Blank], Year: [Blank] - Twentieth Infantry, Mu - Ro - Louisiana. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/21869956. (Accessed November 19, 2018.)
APA citation style
War Department. The Adjutant General's Office. 3/4/1907-9/18/1947, Obrain, John - Age [Blank], Year: [Blank] - Twentieth Infantry, Mu - Ro - Louisiana. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/21869956
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/21869956>.
Note: These citations are programmatically generated and may be incomplete.