APA Citation

PORTER. (2006). Practical VoIP security. Rockland, MA: Syngress Publishing.

Chicago Style Citation

PORTER. Practical VoIP Security. Rockland, MA: Syngress Publishing, 2006.

MLA Citation

PORTER. Practical VoIP Security. Rockland, MA: Syngress Publishing, 2006.

Warning: These citations may not always be 100% accurate.