APA (7th ed.) Citation

Khaw, P. T. . [., & Elkington, A. R. (1999). ABC of eyes (3rd ed.). BMJ Books.

Chicago Style (17th ed.) Citation

Khaw, P. T. [], and Andrew R. Elkington. ABC of Eyes. 3rd ed. London: BMJ Books, 1999.

MLA (9th ed.) Citation

Khaw, P. T. [], and Andrew R. Elkington. ABC of Eyes. 3rd ed. BMJ Books, 1999.