Cita APA (7a ed.)

Endler, D., & Collier, M. (2007). Hacking exposed VoIP: Voice over IP security secrets and solutions. McGraw-Hill.

Cita Chicago Style (17a ed.)

Endler, David, y Mark Collier. Hacking Exposed VoIP: Voice over IP Security Secrets and Solutions. New York [etc.]: McGraw-Hill, 2007.

Cita MLA (9a ed.)

Endler, David, y Mark Collier. Hacking Exposed VoIP: Voice over IP Security Secrets and Solutions. McGraw-Hill, 2007.