APA citiranje

Hellström, A., Smith, L. E. H., & Dammann, O. (2013). Retinopathy of prematurity. Lancet.

Citação norma Chicago

Hellström, Ann, Lois E H. Smith, and Olaf Dammann. "Retinopathy of Prematurity." Lancet 2013.

MLA citiranje

Hellström, Ann, Lois E H. Smith, and Olaf Dammann. "Retinopathy of Prematurity." Lancet 2013.