Cita APA (7th ed.)

Herrnstein, R. J., & Murray, C. (1994). THE BELL CURVE: Intelligence and Class Structure in American Life. Free Press Paperbacks.

Cita Chicago (17th ed.)

Herrnstein, Richard J., i Charles Murray. THE BELL CURVE: Intelligence and Class Structure in American Life. New York: Free Press Paperbacks, 1994.

Cita MLA (9th ed.)

Herrnstein, Richard J., i Charles Murray. THE BELL CURVE: Intelligence and Class Structure in American Life. Free Press Paperbacks, 1994.