Cita APA (7a ed.)

Herrnstein, R. J., & Murray, C. A. (1996). The bell curve: Intelligence and class structure in American life (1. Free Pr. paperback ed.). The Free Press.

Cita Chicago Style (17a ed.)

Herrnstein, Richard J., y Charles A. Murray. The Bell Curve: Intelligence and Class Structure in American Life. 1. Free Pr. paperback ed. New York [u.a.]: The Free Press, 1996.

Cita MLA (8a ed.)

Herrnstein, Richard J., y Charles A. Murray. The Bell Curve: Intelligence and Class Structure in American Life. 1. Free Pr. paperback ed. The Free Press, 1996.