Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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