Citazione Stile APA (7a Edizione)

World Health Organization, Omran, A. R., Standley, C. C., & Azar, J. E. (1976). Family formation patterns and health. World Health Organization.

Citazione stile Chigago Style (17a edizione)

World Health Organization, Abdel R. Omran, C. C. Standley, e Joseph E. Azar. Family Formation Patterns and Health. Geneva: World Health Organization, 1976.

Citatione MLA (9a ed.)

World Health Organization, et al. Family Formation Patterns and Health. World Health Organization, 1976.