APA (7e ed.) Bronvermelding

Griffiths, P. E. (1997). What emotions really are: The problem of psychological categories. University of Chicago Press.

Chicago (17e ed.) Bronvermelding

Griffiths, Paul E. What Emotions Really Are: The Problem of Psychological Categories. Chicago, Ill.: University of Chicago Press, 1997.

MLA (9e ed.) Bronvermelding

Griffiths, Paul E. What Emotions Really Are: The Problem of Psychological Categories. University of Chicago Press, 1997.