United States. National Archives and Records Service, Guptil, M. B., & Mendelssohn, J. (1975). Records of the United States Strategic Bombing Survey: Inventory of record group 243. General Services Administration, National Archives and Records Service.
Chicago Style (17th ed.) CitationUnited States. National Archives and Records Service, Marilla B. Guptil, and John Mendelssohn. Records of the United States Strategic Bombing Survey: Inventory of Record Group 243. Washington: General Services Administration, National Archives and Records Service, 1975.
MLA (9th ed.) CitationUnited States. National Archives and Records Service, et al. Records of the United States Strategic Bombing Survey: Inventory of Record Group 243. General Services Administration, National Archives and Records Service, 1975.