APA (7th ed.) Citation
Abrahams, J. R., & Lollo, M. (2003). Centrex or PBX: The impact of IP. Artech House.
Chicago Style (17th ed.) Citation
Abrahams, John R., and Mauro Lollo. Centrex or PBX: The Impact of IP. Boston: Artech House, 2003.
MLA (9th ed.) Citation
Abrahams, John R., and Mauro Lollo. Centrex or PBX: The Impact of IP. Artech House, 2003.
Warning: These citations may not always be 100% accurate.