APA (7th ed.) Citation

United States. Army. Ordnance Department. (1918). Handbook of signal light, Mark I, and rifle light, Mark I. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Handbook of Signal Light, Mark I, and Rifle Light, Mark I. [Place of publication not identified]: [publisher not identified], 1918.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Handbook of Signal Light, Mark I, and Rifle Light, Mark I. [publisher not identified], 1918.