United States. Congress. House. Committee on Un-American Activities. (1951). Hearings relating to Communist activities in the defense area of Baltimore: Hearings before the Committee on Un-American Activities, House of Representatives, Eighty-second Congress, first session, June 19, 20, 26, 27, 28, July 10, 12, 13, 1951. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Un-American Activities. Hearings Relating to Communist Activities in the Defense Area of Baltimore: Hearings Before the Committee on Un-American Activities, House of Representatives, Eighty-second Congress, First Session, June 19, 20, 26, 27, 28, July 10, 12, 13, 1951. Washington: U.S. Government Printing Office, 1951.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Un-American Activities. Hearings Relating to Communist Activities in the Defense Area of Baltimore: Hearings Before the Committee on Un-American Activities, House of Representatives, Eighty-second Congress, First Session, June 19, 20, 26, 27, 28, July 10, 12, 13, 1951. U.S. Government Printing Office, 1951.