Hyman, S. (1969). The Lives of William Benton. U.Pr..
Cita Chicago (17th ed.)Hyman, Sidney. The Lives of William Benton. Chicago: U.Pr., 1969.
Cita MLA (9th ed.)Hyman, Sidney. The Lives of William Benton. U.Pr., 1969.
Atenció: Aquestes cites poden no estar 100% correctes.