APA (7th ed.) Citation

United States. Federal Civil Defense Administration. (1951). This is civil defense; the official U.S. Government booklet. [U.S. Govt. Print. Off].

Chicago Style (17th ed.) Citation

United States. Federal Civil Defense Administration. This Is Civil Defense; the Official U.S. Government Booklet. [Washington]: [U.S. Govt. Print. Off], 1951.

MLA (9th ed.) Citation

United States. Federal Civil Defense Administration. This Is Civil Defense; the Official U.S. Government Booklet. [U.S. Govt. Print. Off], 1951.