Citação norma APA

Ong, G. L., Ripley, L. G., Newsom, R. S. B., & Casswell, A. G. (2003). Assessment of colour vision as a screening test for sight threatening diabetic retinopathy before loss of vision. Copyright 2003 British Journal of Ophthalmology.

Citação norma Chicago

Ong, G L., L G. Ripley, R S B. Newsom, and A G. Casswell. Assessment of Colour Vision As a Screening Test for Sight Threatening Diabetic Retinopathy Before Loss of Vision. Copyright 2003 British Journal of Ophthalmology, 2003.

Citação norma MLA

Ong, G L., L G. Ripley, R S B. Newsom, and A G. Casswell. Assessment of Colour Vision As a Screening Test for Sight Threatening Diabetic Retinopathy Before Loss of Vision. Copyright 2003 British Journal of Ophthalmology, 2003.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.