APA (7th ed.) Citation

United States. Office for Emergency Management. (1941). Civilian Defense, Protective Construction, Structures Series, Bulletin No. 1. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office for Emergency Management. Civilian Defense, Protective Construction, Structures Series, Bulletin No. 1. [Washington]: [publisher not identified], 1941.

MLA (9th ed.) Citation

United States. Office for Emergency Management. Civilian Defense, Protective Construction, Structures Series, Bulletin No. 1. [publisher not identified], 1941.