APA (7th ed.) Citation

Hacker, L. M., & Zahler, H. S. (1947). The shaping of the American tradition (2nd printing.). Columbia University Press.

Chicago Style (17th ed.) Citation

Hacker, Louis M., and Helene Sara Zahler. The Shaping of the American Tradition. 2nd printing. New York: Columbia University Press, 1947.

MLA (9th ed.) Citation

Hacker, Louis M., and Helene Sara Zahler. The Shaping of the American Tradition. 2nd printing. Columbia University Press, 1947.