United States. Army. Air Corps. (1918). Aerial gunnery: Cottin aiming apparatus for Hotchkiss machine guns. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Army. Air Corps. Aerial Gunnery: Cottin Aiming Apparatus for Hotchkiss Machine Guns. [Place of publication not identified]: [publisher not identified], 1918.
MLA (8th ed.) CitationUnited States. Army. Air Corps. Aerial Gunnery: Cottin Aiming Apparatus for Hotchkiss Machine Guns. [publisher not identified], 1918.
Warning: These citations may not always be 100% accurate.