APA (7th ed.) Citation

World Health Organization. (2013). Guideline: Calcium supplementation in pregnant women. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Guideline: Calcium Supplementation in Pregnant Women. Geneva: World Health Organization, 2013.

MLA (9th ed.) Citation

World Health Organization. Guideline: Calcium Supplementation in Pregnant Women. World Health Organization, 2013.

Warning: These citations may not always be 100% accurate.