APA (7th ed.) Citation

Khaw, P., & Elkington, A. (1996). ABC of EYES (2nd.). BMJ publishing groups.

Chicago Style (17th ed.) Citation

Khaw, PT, and AR Elkington. ABC of EYES. 2nd. London: BMJ publishing groups, 1996.

MLA (9th ed.) Citation

Khaw, PT, and AR Elkington. ABC of EYES. 2nd. BMJ publishing groups, 1996.