Hacker, L. M., & Zahler, H. S. (1947). The shaping of the American tradition (2nd printing.). Columbia University Press.
Chicago Style (17th ed.) CitationHacker, Louis M., and Helene Sara Zahler. The Shaping of the American Tradition. 2nd printing. New York: Columbia University Press, 1947.
MLA (9th ed.) CitationHacker, Louis M., and Helene Sara Zahler. The Shaping of the American Tradition. 2nd printing. Columbia University Press, 1947.
Warning: These citations may not always be 100% accurate.