Citação norma APA

World Health Organization. (1999). Sexually transmitted infections prevalence study methodology. World Health Organization.

Citação norma Chicago

World Health Organization. Sexually Transmitted Infections Prevalence Study Methodology. Geneva,Switzerland: World Health Organization, 1999.

Citação norma MLA

World Health Organization. Sexually Transmitted Infections Prevalence Study Methodology. World Health Organization, 1999.

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