[New York] McMahon, Philip A - Unit: 77th National Guard, Infantry (100 Days, 1864), Company: [Blank] - Enlistment Rank: Major, Discharge Rank: Major

Chicago citation style
War Department. The Adjutant General's Office. 3/4/1907-9/18/1947. [New York] McMahon, Philip A - Unit: 77th National Guard, Infantry (100 Days, 1864), Company: [Blank] - Enlistment Rank: Major, Discharge Rank: Major. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/33867870. (Accessed May 23, 2018.)
APA citation style
War Department. The Adjutant General's Office. 3/4/1907-9/18/1947, [New York] McMahon, Philip A - Unit: 77th National Guard, Infantry (100 Days, 1864), Company: [Blank] - Enlistment Rank: Major, Discharge Rank: Major. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/33867870
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/33867870>.
Note: These citations are programmatically generated and may be incomplete.