American Library Association - Libraries - New Jersey through North Carolina - Fighters read in spare moments. Photo shows the Camp Library at Camp Upton, L.I. N.Y. This is a crowded building where soldiers with spare moments usually spend them. The reading they do is not soley for pleasure, but to cram up on military knowledge so that they will be in line for promotions. March 11, 1918

Chicago citation style
War Department. 1789-9/18/1947. American Library Association - Libraries - New Jersey through North Carolina - Fighters read in spare moments. Photo shows the Camp Library at Camp Upton, L.I. N.Y. This is a crowded building where soldiers with spare moments usually spend them. The reading they do is not soley for pleasure, but to cram up on military knowledge so that they will be in line for promotions. March 11, 1918. 1917-01-01/1918-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20800718. (Accessed July 19, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1917-01-01/1918-12-31) American Library Association - Libraries - New Jersey through North Carolina - Fighters read in spare moments. Photo shows the Camp Library at Camp Upton, L.I. N.Y. This is a crowded building where soldiers with spare moments usually spend them. The reading they do is not soley for pleasure, but to cram up on military knowledge so that they will be in line for promotions. March 11, 1918. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20800718
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/20800718>.
Note: These citations are programmatically generated and may be incomplete.