Cita APA (7a ed.)

Ekman, P. (2007). Emotions revealed: Recognizing faces and feelings to improve communication and emotional life (2nd ed.). Henry Holt.

Cita Chicago Style (17a ed.)

Ekman, Paul. Emotions Revealed: Recognizing Faces and Feelings to Improve Communication and Emotional Life. 2nd ed. New York: Henry Holt, 2007.

Cita MLA (9a ed.)

Ekman, Paul. Emotions Revealed: Recognizing Faces and Feelings to Improve Communication and Emotional Life. 2nd ed. Henry Holt, 2007.