Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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