Polenberg, R. (1980). One nation divisible: Class, race and ethnicity in the United States since 1938. Harmondsworth: Penguin Books.
Citação norma ChicagoPolenberg, Richard. One Nation Divisible: Class, Race and Ethnicity in the United States Since 1938. Harmondsworth: Penguin Books, 1980.
Citação MLAPolenberg, Richard. One Nation Divisible: Class, Race and Ethnicity in the United States Since 1938. Harmondsworth: Penguin Books, 1980.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.