APA (7th ed.) Citation

Verma, P. K. (2011). Voice over ip networks: Quality of service, pricing and security. Springer.

Chicago Style (17th ed.) Citation

Verma, Pramode K. Voice over Ip Networks: Quality of Service, Pricing and Security. New York: Springer, 2011.

MLA (9th ed.) Citation

Verma, Pramode K. Voice over Ip Networks: Quality of Service, Pricing and Security. Springer, 2011.