APA (7th ed.) Citation

Chen, S., & Ravallion, M. (2004). How have the world's poorest fared since the early 1980sn. World Bank.

Chicago Style (17th ed.) Citation

Chen, Shaohua, and Martin Ravallion. How Have the World's Poorest Fared Since the Early 1980sn. Washington, D.C: World Bank, 2004.

MLA (9th ed.) Citation

Chen, Shaohua, and Martin Ravallion. How Have the World's Poorest Fared Since the Early 1980sn. World Bank, 2004.