APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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