Keith, S. A. (1994). The antiquity of man. Anmol.
Cita Chicago (17th ed.)Keith, Sir Arthur. The Antiquity of Man. New Delhi: Anmol, 1994.
Cita MLA (9th ed.)Keith, Sir Arthur. The Antiquity of Man. Anmol, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.