Citazione Stile APA (7a Edizione)

Warner, W. L., & Srole, L. (1945). The social systems of American ethnic groups. Yale university press.

Citazione stile Chigago Style (17a edizione)

Warner, William Lloyd, e Leo Srole. The Social Systems of American Ethnic Groups. New Haven: Yale university press, 1945.

Citatione MLA (9a ed.)

Warner, William Lloyd, e Leo Srole. The Social Systems of American Ethnic Groups. Yale university press, 1945.