United States. Congress. House. Committee on Un-American Activities & ProQuest (Firm). (1957). Communist Political Subversion: Hearings before the United States House Committee on Un-American Activities, Eighty-Fourth Congress, second session. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Un-American Activities and ProQuest (Firm). Communist Political Subversion: Hearings Before the United States House Committee on Un-American Activities, Eighty-Fourth Congress, Second Session. Washington: U.S. G.P.O., 1957.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Un-American Activities and ProQuest (Firm). Communist Political Subversion: Hearings Before the United States House Committee on Un-American Activities, Eighty-Fourth Congress, Second Session. U.S. G.P.O., 1957.