MLA

Schouten, Ben, et al. Biometrics and Identity Management. Springer Berlin Heidelberg, 2008.

APA

Schouten, B., Drygajlo, A., Juul, N. Christian, Kanade, T., Tistarelli, M., & Kittler, J. (2008). Biometrics and Identity Management. Springer Berlin Heidelberg.

Chicago

Schouten, Ben, Andrzej Drygajlo, Niels Christian Juul, Takeo Kanade, Massimo Tistarelli, and Josef Kittler. Biometrics and Identity Management. : Springer Berlin Heidelberg, 2008.