Cita APA

Messinger, D. S., Cassel, T. D., Acosta, S. I., Ambadar, Z., & Cohn, J. F. (2008). Infant Smiling Dynamics and Perceived Positive Emotion.

Chicago Style Citation

Messinger, Daniel S., Tricia D. Cassel, Susan I. Acosta, Zara Ambadar, i Jeffrey F. Cohn. Infant Smiling Dynamics and Perceived Positive Emotion. 2008.

Cita MLA

Messinger, Daniel S., et al. Infant Smiling Dynamics and Perceived Positive Emotion. 2008.