United States. Congress. Senate. Committee on Interstate Commerce & ProQuest (Firm). (1941). Investigation of Alleged Wire Tapping: Hearings before the United States Senate Committee on Interstate Commerce, Subcommittee on S. Res. 224, Seventy-Sixth Congress, third session and Seventy-Seventh Congress, first session, on Feb. 4, 15, 1941. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Interstate Commerce and ProQuest (Firm). Investigation of Alleged Wire Tapping: Hearings Before the United States Senate Committee on Interstate Commerce, Subcommittee on S. Res. 224, Seventy-Sixth Congress, Third Session and Seventy-Seventh Congress, First Session, on Feb. 4, 15, 1941. Washington: U.S. G.P.O., 1941.
MLA (8th ed.) CitationUnited States. Congress. Senate. Committee on Interstate Commerce and ProQuest (Firm). Investigation of Alleged Wire Tapping: Hearings Before the United States Senate Committee on Interstate Commerce, Subcommittee on S. Res. 224, Seventy-Sixth Congress, Third Session and Seventy-Seventh Congress, First Session, on Feb. 4, 15, 1941. U.S. G.P.O., 1941.