Carrington, R. Million years of man, A (Weidenfeld, London 1963.).
Cita Chicago Style (17a ed.)Carrington, Richard. Million Years of Man, A. Weidenfeld, London 1963.
Cita MLA (9a ed.)Carrington, Richard. Million Years of Man, A. Weidenfeld, London 1963.
Precaución: Estas citas no son 100% exactas.
