APA (7th ed.) Citation

Ahson, S., & Ilyas, M. (2009). SIP handbook: Services, technologies, and security of Session Initiation Protocol. CRC Press.

Chicago Style (17th ed.) Citation

Ahson, Syed, and Mohammad Ilyas. SIP Handbook: Services, Technologies, and Security of Session Initiation Protocol. Boca Raton, Fla: CRC Press, 2009.

MLA (9th ed.) Citation

Ahson, Syed, and Mohammad Ilyas. SIP Handbook: Services, Technologies, and Security of Session Initiation Protocol. CRC Press, 2009.

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