APA (7th ed.) Citation

Mostafa, J., Etherington, S., & Watson, J. (2001). DK essential guide to word. Dorling Kindersley.

Chicago Style (17th ed.) Citation

Mostafa, Joshua, Sue Etherington, and John Watson. DK Essential Guide to Word. London: Dorling Kindersley, 2001.

MLA (9th ed.) Citation

Mostafa, Joshua, et al. DK Essential Guide to Word. Dorling Kindersley, 2001.