United States. Congress. House. Committee on Un-American Activities & United States. Congress. House. Committee on Un-American Activities. Subcommittee on Legislation. (1948). [Investigation of Communist Espionage Activities]. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Un-American Activities and United States. Congress. House. Committee on Un-American Activities. Subcommittee on Legislation. [Investigation of Communist Espionage Activities]. [S.l]: [s.n.], 1948.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Un-American Activities and United States. Congress. House. Committee on Un-American Activities. Subcommittee on Legislation. [Investigation of Communist Espionage Activities]. [s.n.], 1948.
Warning: These citations may not always be 100% accurate.