APA (7th ed.) Citation

Tzimiropoulos, G., Zafeiriou, S., & Pantic, M. (2011). Sparse representations of image gradient orientations for visual recognition and tracking.

Chicago Style (17th ed.) Citation

Tzimiropoulos, Georgios, Stefanos Zafeiriou, and Maja Pantic. Sparse Representations of Image Gradient Orientations for Visual Recognition and Tracking. 2011.

MLA (9th ed.) Citation

Tzimiropoulos, Georgios, et al. Sparse Representations of Image Gradient Orientations for Visual Recognition and Tracking. 2011.