APA (7th ed.) Citation

(1930). Headquarters, G.H.Q., signal service; effective July 1, 1930. GPO.

Chicago Style (17th ed.) Citation

Headquarters, G.H.Q., Signal Service; Effective July 1, 1930. [Washington]: GPO, 1930.

MLA (9th ed.) Citation

Headquarters, G.H.Q., Signal Service; Effective July 1, 1930. GPO, 1930.

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