Ekman, P., & Rosenberg, E. L. (1997). What the face reveals: Basic and applied studies of spontaneous expression using the facial action coding system (FACS). Oxford University Press.
Chicago Style (17th ed.) CitationEkman, Paul, and Erika L. Rosenberg. What the Face Reveals: Basic and Applied Studies of Spontaneous Expression Using the Facial Action Coding System (FACS). New York: Oxford University Press, 1997.
MLA (8th ed.) CitationEkman, Paul, and Erika L. Rosenberg. What the Face Reveals: Basic and Applied Studies of Spontaneous Expression Using the Facial Action Coding System (FACS). Oxford University Press, 1997.
Warning: These citations may not always be 100% accurate.