APA (7th ed.) Citation

United States. Office of Civilian Defense. (1941). OCD news letter, official bulletin of the Office of Civilian Defense, December 18, 1941, number 5. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Civilian Defense. OCD News Letter, Official Bulletin of the Office of Civilian Defense, December 18, 1941, Number 5. [Washington]: [publisher not identified], 1941.

MLA (9th ed.) Citation

United States. Office of Civilian Defense. OCD News Letter, Official Bulletin of the Office of Civilian Defense, December 18, 1941, Number 5. [publisher not identified], 1941.