United States Information Service. (1972). People's choice: Election year in America, 1972 vote. United States Information Service.
Citação norma ChicagoUnited States Information Service. People's Choice: Election Year in America, 1972 Vote. [Washington, D.C.]?: United States Information Service, 1972.
Citação norma MLAUnited States Information Service. People's Choice: Election Year in America, 1972 Vote. United States Information Service, 1972.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.