APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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