Radin, P. (1957). Primitive man as philosopher (2nd revised edition.). Dover Pub.
Cita Chicago (17th ed.)Radin, Paul. Primitive Man as Philosopher. 2nd revised edition. New York: Dover Pub, 1957.
Cita MLA (9th ed.)Radin, Paul. Primitive Man as Philosopher. 2nd revised edition. Dover Pub, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.