Citação norma APA

World Health Organization. (2009). Calcium and magnesium in drinking water: Public health significance (Primera edición.). World Health Organization.

Citação norma Chicago

World Health Organization. Calcium and Magnesium in Drinking Water: Public Health Significance. Primera edición. Geneva: World Health Organization, 2009.

Citação norma MLA

World Health Organization. Calcium and Magnesium in Drinking Water: Public Health Significance. Primera edición. World Health Organization, 2009.

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