United States. War Department. (1919). Headspace adjustment for Browning machine gun, model of 1917; Browning aircraft machine gun, model of 1918; Browning tank machine gun, model of 1919. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. War Department. Headspace Adjustment for Browning Machine Gun, Model of 1917; Browning Aircraft Machine Gun, Model of 1918; Browning Tank Machine Gun, Model of 1919. Washington: [publisher not identified], 1919.
MLA (9th ed.) CitationUnited States. War Department. Headspace Adjustment for Browning Machine Gun, Model of 1917; Browning Aircraft Machine Gun, Model of 1918; Browning Tank Machine Gun, Model of 1919. [publisher not identified], 1919.
Warning: These citations may not always be 100% accurate.