United States. Army. Signal Corps. (1921). Military education: Signal Corps School. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Signal Corps. Military Education: Signal Corps School. Washington: U.S. GPO, 1921.
MLA (9th ed.) CitationUnited States. Army. Signal Corps. Military Education: Signal Corps School. U.S. GPO, 1921.
Warning: These citations may not always be 100% accurate.