APA (7th ed.) Citation

Cooper, Milner, & Worsley. (2000). Essential internet guide. Dorling Kindersley.

Chicago Style (17th ed.) Citation

Cooper, Milner, and Worsley. Essential Internet Guide. London: Dorling Kindersley, 2000.

MLA (8th ed.) Citation

Cooper, et al. Essential Internet Guide. Dorling Kindersley, 2000.