Citação norma APA

World Health Organization. (2012). Persisting pain in children: Important information for policy makers. World Health Organization.

Citação norma Chicago

World Health Organization. Persisting Pain in Children: Important Information for Policy Makers. Geneva, Switzerland: World Health Organization, 2012.

Citação norma MLA

World Health Organization. Persisting Pain in Children: Important Information for Policy Makers. World Health Organization, 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.