APA (7th ed.) Citation

United States. Army. Signal Corps. (1916). Circular, 1916. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Signal Corps. Circular, 1916. [Washington]: [publisher not identified], 1916.

MLA (9th ed.) Citation

United States. Army. Signal Corps. Circular, 1916. [publisher not identified], 1916.

Warning: These citations may not always be 100% accurate.