Citations for statistics should enable your readers to locate the table or data that you have used in your assignment or paper.
At a minimum, a citation should include:
Example from a printed book:
U.S. Census Bureau. 2000. Residential energy consumption, expenditures, and average price, 1980 to 1997. Statistical Abstract of the United States, 120th ed. Washington, DC: U.S. Census Bureau, 587. Table no. 949.
Example from a web site:
U.S. Energy Information Agency, 2001. Renewable energy consumption by energy source, 1995-1999. Table H1, http://www.eia.doe.gov/cneaf/solar.renewables/page/rea_data/tableh1.html.
Example from a database with session-dependent URLs; originally published in a journal:
U.S. Bureau of Economic Analysis, 2001. Personal consumption expenditures by major type of product. Survey of Current Business (May): D-7, http://web.lexis-nexis.com/statuniv.**
** Session-dependent URL from search, not used in citation: http://web.lexis-nexis.com/statuniv/document?_m=a825888ad8faa3b025b663d54e848e3e&_ansset=A-WD-B-AW-MsSEWY-UUW-EEEVDCYWY-CYEDVUCVZ-AW-U&_docnum=9&wchp=dGLSzV-lSBAt&_md5=3d6041e526acf36de69bd13acb6faf92.