APA (7th ed.) Citation

Siddiqi, M. H., Ali, R., Khan, A. M., Kim, E. S., Kim, G. J., & Lee, S. (2015). Facial expression recognition using active contour-based face detection, facial movement-based feature extraction, and non-linear feature selection. Multimedia systems, 21(6), 541-555. https://doi.org/10.1007/s00530-014-0400-2

Chicago Style (17th ed.) Citation

Siddiqi, Muhammad Hameed, Rahman Ali, Adil Mehmood Khan, Eun Soo Kim, Gerard Junghyun Kim, and Sungyoung Lee. "Facial Expression Recognition Using Active Contour-based Face Detection, Facial Movement-based Feature Extraction, and Non-linear Feature Selection." Multimedia Systems 21, no. 6 (2015): 541-555. https://doi.org/10.1007/s00530-014-0400-2.

MLA (9th ed.) Citation

Siddiqi, Muhammad Hameed, et al. "Facial Expression Recognition Using Active Contour-based Face Detection, Facial Movement-based Feature Extraction, and Non-linear Feature Selection." Multimedia Systems, vol. 21, no. 6, 2015, pp. 541-555, https://doi.org/10.1007/s00530-014-0400-2.