APA (7th ed.) Citation

United States. Army. Signal Corps. (1915). Signal Corps Drill Regulations; changes numbers 3. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Signal Corps. Signal Corps Drill Regulations; Changes Numbers 3. [Washington]: GPO, 1915.

MLA (9th ed.) Citation

United States. Army. Signal Corps. Signal Corps Drill Regulations; Changes Numbers 3. GPO, 1915.

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