APA (7th ed.) Citation

Du, S., Tao, Y., & Martinez, A. M. (2014). Compound facial expressions of emotion. Proceedings of the National Academy of Sciences - PNAS, 111(15), E1454-E1462. https://doi.org/10.1073/pnas.1322355111

Chicago Style (17th ed.) Citation

Du, Shichuan, Yong Tao, and Aleix M. Martinez. "Compound Facial Expressions of Emotion." Proceedings of the National Academy of Sciences - PNAS 111, no. 15 (2014): E1454-E1462. https://doi.org/10.1073/pnas.1322355111.

MLA (9th ed.) Citation

Du, Shichuan, et al. "Compound Facial Expressions of Emotion." Proceedings of the National Academy of Sciences - PNAS, vol. 111, no. 15, 2014, pp. E1454-E1462, https://doi.org/10.1073/pnas.1322355111.