United States. Congress. House. Committee on Internal Security & ProQuest (Firm). (1973). The theory and practice of Communism: Hearings, Ninety-third Congress, first session. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Internal Security and ProQuest (Firm). The Theory and Practice of Communism: Hearings, Ninety-third Congress, First Session. Washington: U.S. Govt. Print. Off, 1973.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Internal Security and ProQuest (Firm). The Theory and Practice of Communism: Hearings, Ninety-third Congress, First Session. U.S. Govt. Print. Off, 1973.
Warning: These citations may not always be 100% accurate.