APA (7th ed.) Citation

United States. Army. Signal Corps. (1932). Electricity and magnetism. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Signal Corps. Electricity and Magnetism. [United States]: [publisher not identified], 1932.

MLA (9th ed.) Citation

United States. Army. Signal Corps. Electricity and Magnetism. [publisher not identified], 1932.

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