APA (7th ed.) Citation

World Bank. (2011). The little data book: 2011. (English.). World Bank.

Chicago Style (17th ed.) Citation

World Bank. The Little Data Book: 2011. English. Washington, D.C.: World Bank, 2011.

MLA (9th ed.) Citation

World Bank. The Little Data Book: 2011. English. World Bank, 2011.

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