APA (7th ed.) Citation

World Health Organization. (2015). Guideline Optimal serum and red blood cell folate concentrations in women of reproductive age for prevention of neural tube defects. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Guideline Optimal Serum and Red Blood Cell Folate Concentrations in Women of Reproductive Age for Prevention of Neural Tube Defects. Geneva, Switzerland: World Health Organization, 2015.

MLA (9th ed.) Citation

World Health Organization. Guideline Optimal Serum and Red Blood Cell Folate Concentrations in Women of Reproductive Age for Prevention of Neural Tube Defects. World Health Organization, 2015.

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