Clark, G. (1962). World prehistory an outline ([1st ed., reprinted].). University Press.
Cita Chicago Style (17a ed.)Clark, Grahame. World Prehistory an Outline. [1st ed., reprinted]. Cambridge [Eng.]: University Press, 1962.
Cita MLA (9a ed.)Clark, Grahame. World Prehistory an Outline. [1st ed., reprinted]. University Press, 1962.
Precaución: Estas citas no son 100% exactas.