APA
United States, . (1974). Natural disaster monitoring, warning dissemination, and community preparedness: hearing before the Subcommittee on Departments of State, Justice, and Commerce, the Judiciary, and Related Agencies of the Committee on Appropriations, United States Senate, Ninety-third Congress, second session. Washington: U.S. Government Printing Office.
Chicago
United States, . 1974. Natural disaster monitoring, warning dissemination, and community preparedness: hearing before the Subcommittee on Departments of State, Justice, and Commerce, the Judiciary, and Related Agencies of the Committee on Appropriations, United States Senate, Ninety-third Congress, second session. Washington: U.S. Government Printing Office.
Harvard
United States, . (1974). Natural disaster monitoring, warning dissemination, and community preparedness: hearing before the Subcommittee on Departments of State, Justice, and Commerce, the Judiciary, and Related Agencies of the Committee on Appropriations, United States Senate, Ninety-third Congress, second session. Washington: U.S. Government Printing Office.
MLA
United States, . Natural disaster monitoring, warning dissemination, and community preparedness: hearing before the Subcommittee on Departments of State, Justice, and Commerce, the Judiciary, and Related Agencies of the Committee on Appropriations, United States Senate, Ninety-third Congress, second session. Washington: U.S. Government Printing Office. 1974.