APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Griffiths, Paul E. What Emotions Really Are: The Problem of Psychological Categories. Chicago [u.a.]: Univ. of Chicago Press, 1997.

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.