APA (7th ed.) Citation

Gwatkin, D. R., Wagstaff, A., & Yazbeck, A. (2005). Reaching the poor with health, nutrition, and population services: What works, what doesn't, and why. The World Bank.

Chicago Style (17th ed.) Citation

Gwatkin, Davidson R., Adam Wagstaff, and Abdo Yazbeck. Reaching the Poor with Health, Nutrition, and Population Services: What Works, What Doesn't, and Why. Washington, DC: The World Bank, 2005.

MLA (8th ed.) Citation

Gwatkin, Davidson R., et al. Reaching the Poor with Health, Nutrition, and Population Services: What Works, What Doesn't, and Why. The World Bank, 2005.