APA (7th ed.) Citation

Lucey, P., Cohn, J., Lucey, S., Matthews, I., Sridharan, S., & Prkachin, K. (2009). Automatically detecting pain using facial actions. 2009 3rd International Conference on Affective Computing and Intelligent Interaction and Workshops, 2009, 1-8. https://doi.org/10.1109/ACII.2009.5349321

Chicago Style (17th ed.) Citation

Lucey, P., J. Cohn, S. Lucey, I. Matthews, S. Sridharan, and K.M Prkachin. "Automatically Detecting Pain Using Facial Actions." 2009 3rd International Conference on Affective Computing and Intelligent Interaction and Workshops 2009 (2009): 1-8. https://doi.org/10.1109/ACII.2009.5349321.

MLA (9th ed.) Citation

Lucey, P., et al. "Automatically Detecting Pain Using Facial Actions." 2009 3rd International Conference on Affective Computing and Intelligent Interaction and Workshops, vol. 2009, 2009, pp. 1-8, https://doi.org/10.1109/ACII.2009.5349321.