APA (7th ed.) Citation

United States. Army. Signal Corps. (1921). Signal Corps universal test set, type EE-65. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Signal Corps. Signal Corps Universal Test Set, Type EE-65. [Washington]: GPO, 1921.

MLA (9th ed.) Citation

United States. Army. Signal Corps. Signal Corps Universal Test Set, Type EE-65. GPO, 1921.

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