United States. Army. Air Corps. (1920). Report of ground test of 2.95-inch airplane cannon in Martin bomber. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Air Corps. Report of Ground Test of 2.95-inch Airplane Cannon in Martin Bomber. Washington: U.S. GPO, 1920.
MLA (9th ed.) CitationUnited States. Army. Air Corps. Report of Ground Test of 2.95-inch Airplane Cannon in Martin Bomber. U.S. GPO, 1920.
Warning: These citations may not always be 100% accurate.