APA (7th ed.) Citation

Ekman, P. Expression and the nature of emotion: Paul Ekman. Approaches to emotion.(c 1984).

Chicago Style (17th ed.) Citation

Ekman, Paul. "Expression and the Nature of Emotion: Paul Ekman." Approaches to Emotion.(c 1984) .

MLA (8th ed.) Citation

Ekman, Paul. "Expression and the Nature of Emotion: Paul Ekman." Approaches to Emotion.(c 1984), .

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