Braidwood,. (1967). Prehistoric men (7th ed.). Scott, Foresman.
Cita Chicago (17th ed.)Braidwood. Prehistoric Men. 7th ed. Glenview: Scott, Foresman, 1967.
Cita MLA (9th ed.)Braidwood. Prehistoric Men. 7th ed. Scott, Foresman, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.