Cita APA

Keith, C. G., Diamond, Z., & Stansfield, A. (1972). Visual acuity testing in young children.

Citación estilo Chicago

Keith, C G., Z. Diamond, y A. Stansfield. Visual Acuity Testing in Young Children. 1972.

Cita MLA

Keith, C G., Z. Diamond, y A. Stansfield. Visual Acuity Testing in Young Children. 1972.