United States. Army. Signal Corps. (1918). Instructions for filling out form OEC, census, Equipment Division personnel. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Signal Corps. Instructions for Filling Out Form OEC, Census, Equipment Division Personnel. Washington: U.S. GPO, 1918.
MLA (9th ed.) CitationUnited States. Army. Signal Corps. Instructions for Filling Out Form OEC, Census, Equipment Division Personnel. U.S. GPO, 1918.
Warning: These citations may not always be 100% accurate.