Cita APA

 Relethford, J. (2008).  The human species: An introduction to biological anthropology.  McGraw-Hill.

Chicago Style Citation

 Relethford, John.  The Human Species: An Introduction to Biological Anthropology.  McGraw-Hill, 2008.

Cita MLA

 Relethford, John.  The Human Species: An Introduction to Biological Anthropology.  McGraw-Hill, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.