College and Universities - University of Pennsylvania - War Activities at University of Pennsylvania, Philadelphia, Pennsylvania. Enlisted Men and officers of University Unit, U.S.A. Base Hospital #20, now in France

Chicago citation style
War Department. 1789-9/18/1947. College and Universities - University of Pennsylvania - War Activities at University of Pennsylvania, Philadelphia, Pennsylvania. Enlisted Men and officers of University Unit, U.S.A. Base Hospital #20, now in France. 1917-01-01/1918-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/26429893. (Accessed May 22, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1917-01-01/1918-12-31) College and Universities - University of Pennsylvania - War Activities at University of Pennsylvania, Philadelphia, Pennsylvania. Enlisted Men and officers of University Unit, U.S.A. Base Hospital #20, now in France. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/26429893
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/26429893>.
Note: These citations are programmatically generated and may be incomplete.