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