Citazione Stile APA (7a Edizione)

Hacker, L. M., & Zahler, H. S. (1947). The shaping of the American tradition. Columbia University Press.

Citazione stile Chigago Style (17a edizione)

Hacker, Louis Morton, e Helene Sara Zahler. The Shaping of the American Tradition. New York: Columbia University Press, 1947.

Citatione MLA (9a ed.)

Hacker, Louis Morton, e Helene Sara Zahler. The Shaping of the American Tradition. Columbia University Press, 1947.