Cita APA (7a ed.)

(1988). Vitamin A supplemnsts Aguide to their use in the treatment and prevention of vitamin A deficiency and xerophthalmia <i>en</i>.

Cita Chicago Style (17a ed.)

Vitamin A Supplemnsts Aguide to Their Use in the Treatment and Prevention of Vitamin A Deficiency and Xerophthalmia <i>en</i>. 1988.

Cita MLA (9a ed.)

Vitamin A Supplemnsts Aguide to Their Use in the Treatment and Prevention of Vitamin A Deficiency and Xerophthalmia <i>en</i>. 1988.