APA (7th ed.) Citation

Sun. (2013). Guide to Voice and Video over IP (1.). Springer London.

Chicago Style (17th ed.) Citation

Sun. Guide to Voice and Video over IP. 1. Springer London, 2013.

MLA (8th ed.) Citation

Sun. Guide to Voice and Video over IP. 1. Springer London, 2013.

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