Cita APA (7a ed.)
Carrington, R. A Million Years of Man: The Story of Human Development as a Part of Nature. Mentor Books.
Cita estilo Chicago (17a ed.)
Carrington, Richard. A Million Years of Man: The Story of Human Development as a Part of Nature. Nueva York, EUA: Mentor Books.
Cita MLA (9a ed.)
Carrington, Richard. A Million Years of Man: The Story of Human Development as a Part of Nature. Mentor Books.
Precaución: Estas citas no son 100% exactas.