United States. Federal Bureau of Investigation. (1941). Annual Report of the Federal Bureau of Investigation, United States Department of Justice, July 1, 1939 to June 30, 1940. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Federal Bureau of Investigation. Annual Report of the Federal Bureau of Investigation, United States Department of Justice, July 1, 1939 to June 30, 1940. [Washington]: [s.n.], 1941.
MLA (9th ed.) CitationUnited States. Federal Bureau of Investigation. Annual Report of the Federal Bureau of Investigation, United States Department of Justice, July 1, 1939 to June 30, 1940. [s.n.], 1941.
Warning: These citations may not always be 100% accurate.