APA (7th ed.) Citation

Khaw, P. T. . [., Elkington, A. R., & Shah, P. . [. (2004). ABC of eyes (4th ed.). BMJ Books.

Chicago Style (17th ed.) Citation

Khaw, P. T. [], Andrew R. Elkington, and P. [] Shah. ABC of Eyes. 4th ed. London: BMJ Books, 2004.

MLA (9th ed.) Citation

Khaw, P. T. [], et al. ABC of Eyes. 4th ed. BMJ Books, 2004.