Report from Agent F. A. K. Butterfield to Agent David S. Groh Concerning the Employment of an Agent

Chicago citation style
War Department. Military Intelligence Division. Negative Branch. Plant Protection Section. District No. 11 (Chicago, Illinois). (ca. 8/18/1918 - ca. 1919). Report from Agent F. A. K. Butterfield to Agent David S. Groh Concerning the Employment of an Agent. 1918-12-11. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20737623. (Accessed June 24, 2018.)
APA citation style
War Department. Military Intelligence Division. Negative Branch. Plant Protection Section. District No. 11 (Chicago, Illinois). (ca. 8/18/1918 - ca. 1919), (1918-12-11) Report from Agent F. A. K. Butterfield to Agent David S. Groh Concerning the Employment of an Agent. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20737623
MLA citation style
War Department. Military Intelligence Division. Negative Branch. Plant Protection Section. District No. 11 (Chicago, Illinois). (ca. 8/18/1918 - ca. 1919). Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/20737623>.
Note: These citations are programmatically generated and may be incomplete.