Ekman, P., & Scherer, K. Questions about emotion: An introduction / Paul Ekman. Klaus Scherer. Approaches to emotion.(c 1984).
Citazione stile Chigago Style (17a edizione)Ekman, Paul, e Klaus Scherer. "Questions About Emotion: An Introduction / Paul Ekman. Klaus Scherer." Approaches to Emotion.(c 1984) .
Citatione MLA (8a ed.)Ekman, Paul, e Klaus Scherer. "Questions About Emotion: An Introduction / Paul Ekman. Klaus Scherer." Approaches to Emotion.(c 1984), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.