Cita APA (7a ed.)

Ekman, P., & Rosenberg, E. (1997). What the face reveals: Basic and applied studies of spontaneous expression using the facial action coding system (FACS). Oxford University Press.

Cita Chicago Style (17a ed.)

Ekman, Paul, y Erika Rosenberg. What the Face Reveals: Basic and Applied Studies of Spontaneous Expression Using the Facial Action Coding System (FACS). New York [etc.]: Oxford University Press, 1997.

Cita MLA (9a ed.)

Ekman, Paul, y Erika Rosenberg. What the Face Reveals: Basic and Applied Studies of Spontaneous Expression Using the Facial Action Coding System (FACS). Oxford University Press, 1997.

Precaución: Estas citas no son 100% exactas.