MLA

Damiani, Ernesto, et al. Open Source Systems Security Certification. Springer US, 2009.

APA

Damiani, E., Agostino Ardagna, C., Ardagna, C. Agostino, & El Ioini, N. (2009). Open Source Systems Security Certification. Springer US.

Chicago

Damiani, Ernesto, Claudio Agostino Ardagna, Claudio Agostino Ardagna, and Nabil El Ioini. Open Source Systems Security Certification. : Springer US, 2009.