APA (7th ed.) Citation

Crewe, J., Morlet, N., Lam, G., & Semmens, J. (2012). Prevalence of blindness in children. B M J Group.

Chicago Style (17th ed.) Citation

Crewe, Julie, Nigel Morlet, G. Lam, and James Semmens. Prevalence of Blindness in Children. B M J Group, 2012.

MLA (9th ed.) Citation

Crewe, Julie, et al. Prevalence of Blindness in Children. B M J Group, 2012.