MLA

Youm, Heung Youl, et al. Information Security Applications. Springer Berlin Heidelberg, 2009.

APA

Youm, H. Youl, Kanade, T., Yung, M., & Kittler, J. (2009). Information Security Applications. Springer Berlin Heidelberg.

Chicago

Youm, Heung Youl, Takeo Kanade, Moti Yung, and Josef Kittler. Information Security Applications. : Springer Berlin Heidelberg, 2009.