United States. Army. Air Corps. (1932). Air Corps: Bomb racks, general classification and description; changes numbers 1. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Air Corps. Air Corps: Bomb Racks, General Classification and Description; Changes Numbers 1. Washington: U.S. GPO, 1932.
MLA (9th ed.) CitationUnited States. Army. Air Corps. Air Corps: Bomb Racks, General Classification and Description; Changes Numbers 1. U.S. GPO, 1932.
Warning: These citations may not always be 100% accurate.