Cita APA (7th ed.)

Barker, G. (1985). Prehistoric farming in Europe. C.U.Pr..

Cita Chicago (17th ed.)

Barker, Graeme. Prehistoric Farming in Europe. Cambridge: C.U.Pr., 1985.

Cita MLA (9th ed.)

Barker, Graeme. Prehistoric Farming in Europe. C.U.Pr., 1985.