United States. Congress. House. Committee on Un-American Activities & ProQuest (Firm). (1951). Supplement to Guide to Subversive Organizations and Publications. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Un-American Activities and ProQuest (Firm). Supplement to Guide to Subversive Organizations and Publications. [Place of publication not identified]: [publisher not identified], 1951.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Un-American Activities and ProQuest (Firm). Supplement to Guide to Subversive Organizations and Publications. [publisher not identified], 1951.
Warning: These citations may not always be 100% accurate.