Cita APA (7th ed.)
Duncan, J. (2010). How intelligence happens. Yale University Press.
Cita Chicago (17th ed.)
Duncan, John. How Intelligence Happens. New Haven: Yale University Press, 2010.
Cita MLA (9th ed.)
Duncan, John. How Intelligence Happens. Yale University Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.