Cita APA (7a ed.)

Herrnstein, R. J., & Murray, C. A. (1996). The bell curve: Intelligence and class structure in American life. Free Press.

Cita Chicago Style (17a ed.)

Herrnstein, Richard J., y Charles A. Murray. The Bell Curve: Intelligence and Class Structure in American Life. New York [etc.]: Free Press, 1996.

Cita MLA (9a ed.)

Herrnstein, Richard J., y Charles A. Murray. The Bell Curve: Intelligence and Class Structure in American Life. Free Press, 1996.