APA (7th ed.) Citation

Kalbag, A., Quaye, I., Punter, R., & Giffin, A. (1997). World Wide Web for beginners. Usborne.

Chicago Style (17th ed.) Citation

Kalbag, Asha, Isaac Quaye, Russell Punter, and Andy Giffin. World Wide Web for Beginners. London: Usborne, 1997.

MLA (9th ed.) Citation

Kalbag, Asha, et al. World Wide Web for Beginners. Usborne, 1997.