United States. Army. Air Corps & Niles, A. S. (1923). Strength of wing ribs (Airplane Section report). U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Air Corps and Alfred S. Niles. Strength of Wing Ribs (Airplane Section Report). Washington: U.S. GPO, 1923.
MLA (9th ed.) CitationUnited States. Army. Air Corps and Alfred S. Niles. Strength of Wing Ribs (Airplane Section Report). U.S. GPO, 1923.
Warning: These citations may not always be 100% accurate.