United States. Army. Air Corps. (1921). Report on tests of A.B.C. "Dragonfly" cylinder, made by R.A.E., England, and Engineering Division, Air Service, U.S.A. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Air Corps. Report on Tests of A.B.C. "Dragonfly" Cylinder, Made by R.A.E., England, and Engineering Division, Air Service, U.S.A. Washington: U.S. GPO, 1921.
MLA (9th ed.) CitationUnited States. Army. Air Corps. Report on Tests of A.B.C. "Dragonfly" Cylinder, Made by R.A.E., England, and Engineering Division, Air Service, U.S.A. U.S. GPO, 1921.
Warning: These citations may not always be 100% accurate.