Citazione Stile APA (7a Edizione)

World Health Organization. (2010). Medical eligibility criteria for contraceptive use. World Health Organization.

Citazione stile Chigago Style (17a edizione)

World Health Organization. Medical Eligibility Criteria for Contraceptive Use. Geneva, Switzerland: World Health Organization, 2010.

Citatione MLA (8a ed.)

World Health Organization. Medical Eligibility Criteria for Contraceptive Use. World Health Organization, 2010.