Cita APA (7th ed.)

Williams, G. (1989). All for health: A resource book for facts for life. Unicef.

Cita Chicago (17th ed.)

Williams, Glen. All for Health: A Resource Book for Facts for Life. New York: Unicef, 1989.

Cita MLA (9th ed.)

Williams, Glen. All for Health: A Resource Book for Facts for Life. Unicef, 1989.