United States. Office of Civilian Defense. (1942). OCD news letter, official bulletin of the Office of Civilian Defense, January 31, 1942, number 6. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Office of Civilian Defense. OCD News Letter, Official Bulletin of the Office of Civilian Defense, January 31, 1942, Number 6. [Washington]: [publisher not identified], 1942.
MLA (9th ed.) CitationUnited States. Office of Civilian Defense. OCD News Letter, Official Bulletin of the Office of Civilian Defense, January 31, 1942, Number 6. [publisher not identified], 1942.
Warning: These citations may not always be 100% accurate.