One nation divisible : : class, race and ethnicity in the United States since 1938.

MLA

Polenberg, Richard. One Nation Divisible : Class, Race and Ethnicity In the United States Since 1938. Harmondsworth: Penguin Books, 1980.

APA

Polenberg, R. (1980). One nation divisible : class, race and ethnicity in the United States since 1938. Harmondsworth: Penguin Books.

Chicago

Polenberg, Richard One Nation Divisible: Class, Race and Ethnicity In the United States Since 1938. Harmondsworth: Penguin Books, 1980.