What you should know about biological warfare;
the official U.S. Government booklet.
APA Citation
United States. Federal Civil Defense Administration. (1951). What you should know about biological warfare: the official U.S. Government booklet. [Washington, D.C.: U.S. Govt. Print. Off..
MLA Citation
United States. Federal Civil Defense Administration. What You Should Know About Biological Warfare: the Official U.S. Government Booklet. [Washington, D.C.: U.S. Govt. Print. Off., 1951.
Warning: These citations may not always be complete (especially for serials).