APA (7th ed.) Citation

Herrnstein, R. J., & Murray, C. A. (1994). The bell curve: Intelligence and class structure in American life. The Free Press.

Chicago Style (17th ed.) Citation

Herrnstein, Richard J., and Charles A. Murray. The Bell Curve: Intelligence and Class Structure in American Life. New York: The Free Press, 1994.

MLA (9th ed.) Citation

Herrnstein, Richard J., and Charles A. Murray. The Bell Curve: Intelligence and Class Structure in American Life. The Free Press, 1994.