Letter from William F. Pearson to Mrs. J. T. Shaw

Chicago citation style
War Department. Division of Military Aeronautics. School of Military Aeronautics, University of Illinois. 5/20/1918-3/19/1919. Letter from William F. Pearson to Mrs. J. T. Shaw. 1917-10-15. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20015415. (Accessed November 21, 2018.)
APA citation style
War Department. Division of Military Aeronautics. School of Military Aeronautics, University of Illinois. 5/20/1918-3/19/1919, (1917-10-15) Letter from William F. Pearson to Mrs. J. T. Shaw. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20015415
MLA citation style
War Department. Division of Military Aeronautics. School of Military Aeronautics, University of Illinois. 5/20/1918-3/19/1919. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/20015415>.
Note: These citations are programmatically generated and may be incomplete.