United States. Congress. House. Committee on Government Operations. Foreign Operations and Government Information Subcommittee. (1974). Telephone monitoring practices by federal agencies: Hearings before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-third Congress, second session, June 11 and 13, 1974. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Government Operations. Foreign Operations and Government Information Subcommittee. Telephone Monitoring Practices by Federal Agencies: Hearings Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-third Congress, Second Session, June 11 and 13, 1974. Washington: U.S. Government Printing Office, 1974.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Government Operations. Foreign Operations and Government Information Subcommittee. Telephone Monitoring Practices by Federal Agencies: Hearings Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-third Congress, Second Session, June 11 and 13, 1974. U.S. Government Printing Office, 1974.