APA (7th ed.) Citation

United States. Army. Signal Corps. (1928). Theory of radio communication. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Signal Corps. Theory of Radio Communication. [United States]: [publisher not identified], 1928.

MLA (9th ed.) Citation

United States. Army. Signal Corps. Theory of Radio Communication. [publisher not identified], 1928.

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