MLA

Frintrop, Simone, Takeo Kanade, and Josef Kittler. Vocus: A Visual Attention System for Object Detection and Goal-directed Search. Springer Berlin / Heidelberg, 2006.

APA

Frintrop, S., Kanade, T., & Kittler, J. (2006). VOCUS: A Visual Attention System for Object Detection and Goal-Directed Search. Springer Berlin / Heidelberg.

Chicago

Frintrop, Simone, Takeo Kanade, and Josef Kittler. VOCUS: A Visual Attention System for Object Detection and Goal-Directed Search. : Springer Berlin / Heidelberg, 2006.