APA (7th ed.) Citation

Economic and social affairs. (2011). 2009 Statistical yearbook. United nations.

Chicago Style (17th ed.) Citation

Economic and social affairs. 2009 Statistical Yearbook. New York: United nations, 2011.

MLA (8th ed.) Citation

Economic and social affairs. 2009 Statistical Yearbook. United nations, 2011.

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