Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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