APA citiranje

Morgan, P. B., Efron, N., Hill, E. A., Raynor, M. K., Whiting, M. A., & Tullo, A. B. (2005). Incidence of keratitis of varying severity among contact lens wearers. Copyright 2005 British Journal of Ophthalmology.

Citação norma Chicago

Morgan, P B., N. Efron, E A. Hill, M K. Raynor, M A. Whiting, and A B. Tullo. Incidence of Keratitis of Varying Severity Among Contact Lens Wearers. Copyright 2005 British Journal of Ophthalmology, 2005.

MLA citiranje

Morgan, P B., et al. Incidence of Keratitis of Varying Severity Among Contact Lens Wearers. Copyright 2005 British Journal of Ophthalmology, 2005.