MLA

Borisov, Nikita, et al. Privacy Enhancing Technologies. Springer Berlin Heidelberg, 2007.

APA

Borisov, N., Golle, P., Kanade, T., & Kittler, J. (2007). Privacy Enhancing Technologies. Springer Berlin Heidelberg.

Chicago

Borisov, Nikita, Philippe Golle, Takeo Kanade, and Josef Kittler. Privacy Enhancing Technologies. : Springer Berlin Heidelberg, 2007.