APA (7th ed.) Citation

Watson, C., & Henry, J. (2008). Introduction. IP Communications.

Chicago Style (17th ed.) Citation

Watson, Charles, and Jill Henry. Introduction. IP Communications, 2008.

MLA (9th ed.) Citation

Watson, Charles, and Jill Henry. Introduction. IP Communications, 2008.

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