Cita APA (7th ed.)
Guilford, J. Way beyond the IQ. Creative Education Foundation.
Cita Chicago (17th ed.)
Guilford, J.P. Way Beyond the IQ. Buffalo, EUA: Creative Education Foundation.
Cita MLA (9th ed.)
Guilford, J.P. Way Beyond the IQ. Creative Education Foundation.
Atenció: Aquestes cites poden no estar 100% correctes.