Citação norma APA

Harrad, R., Williams, C., & Sparrow, J. (2004). Treatment of unilateral visual impairment on preschool vision screening: Mild amblyopia should still be treated. BMJ Publishing Group Ltd.

Citação norma Chicago

Harrad, Richard, Cathy Williams, and John Sparrow. Treatment of Unilateral Visual Impairment On Preschool Vision Screening: Mild Amblyopia Should Still Be Treated. BMJ Publishing Group Ltd, 2004.

Citação norma MLA

Harrad, Richard, Cathy Williams, and John Sparrow. Treatment of Unilateral Visual Impairment On Preschool Vision Screening: Mild Amblyopia Should Still Be Treated. BMJ Publishing Group Ltd, 2004.

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