Cita APA (7th ed.)

McLaren, D. S. (1999). Towards the conquest of Vitamin A deficiency disorders. Task Force Sight and Life.

Cita Chicago (17th ed.)

McLaren, Donald Stewart. Towards the Conquest of Vitamin A Deficiency Disorders. Basel, Switzerland: Task Force Sight and Life, 1999.

Cita MLA (8th ed.)

McLaren, Donald Stewart. Towards the Conquest of Vitamin A Deficiency Disorders. Task Force Sight and Life, 1999.