Brace, C. L. (1995). The stages of human evolution (5th ed.). Prentice Hall.
Cita Chicago (17th ed.)Brace, C. Loring. The Stages of Human Evolution. 5th ed. Englewood Cliffs, N.J: Prentice Hall, 1995.
Cita MLA (9th ed.)Brace, C. Loring. The Stages of Human Evolution. 5th ed. Prentice Hall, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.