Izard, C. E. (1991). The psychology of emotions. Plenum.
Cita Chicago Style (17a ed.)Izard, Carroll E. The Psychology of Emotions. New York [etc.]: Plenum, 1991.
Cita MLA (9a ed.)Izard, Carroll E. The Psychology of Emotions. Plenum, 1991.
Precaución: Estas citas no son 100% exactas.