Colleges and Universities - Harvard University - Sentries in Harvard Yard, Harvard University, Cambridge, Massachusetts

Chicago citation style
War Department. 1789-9/18/1947. Colleges and Universities - Harvard University - Sentries in Harvard Yard, Harvard University, Cambridge, Massachusetts. 1917-01-01/1918-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/26426282. (Accessed May 21, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1917-01-01/1918-12-31) Colleges and Universities - Harvard University - Sentries in Harvard Yard, Harvard University, Cambridge, Massachusetts. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/26426282
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/26426282>.
Note: These citations are programmatically generated and may be incomplete.