Cita APA

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

Citación estilo Chicago

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

Cita MLA

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