APA (7th ed.) Citation

Gralla, P., & Troller, M. (2004). How the Internet works (7th ed.). Que.

Chicago Style (17th ed.) Citation

Gralla, Preston, and Michael Troller. How the Internet Works. 7th ed. Indianapolis, Indiana: Que, 2004.

MLA (9th ed.) Citation

Gralla, Preston, and Michael Troller. How the Internet Works. 7th ed. Que, 2004.