Cita APA

Boyd, R. (2003). How humans evolved. New York: W. W. Norton & Company.

Chicago Style Citation

Boyd, Robert. How Humans Evolved. New York: W. W. Norton & Company, 2003.

Cita MLA

Boyd, Robert. How Humans Evolved. New York: W. W. Norton & Company, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.