APA (7th ed.) Citation

United States. War Department. (1938). Training Regulations No. 320-35: Weapons: Browning Machine Gun, Caliber .30, Model of 1917, Changes 4. [s.n.].

Chicago Style (17th ed.) Citation

United States. War Department. Training Regulations No. 320-35: Weapons: Browning Machine Gun, Caliber .30, Model of 1917, Changes 4. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. War Department. Training Regulations No. 320-35: Weapons: Browning Machine Gun, Caliber .30, Model of 1917, Changes 4. [s.n.], 1938.