MLA (7th edition)
For a complete description of citation guidelines refere to the MLA Handbook for Writer's of Research Papers, 7th edition (2009).
MLA does not provide specific information on how to cite a statistical table, but use this general format adapted from the rules for citing a work in an anthology, an article in a reference work, and guidelines for citing electronic materials.
Basic form:
Author. "Title of entry." Title of book. Edition. Ed. Editor's name(s). Place of publication: Publisher, Year. Page range. Medium of publication.
For web publications, add date of access. The URL is optional so check with your professor to see if he/she wants you to include it.
Example:
American Veterinary Medical Association. "Table 1204: Household Pet Ownership: 2006." Statistical Abstract of the United States. 129th ed. Ed. U.S. Census Bureau. Washington D.C.: U.S. Census Bureau, 2010. Web. 14 July 2010. <http://www.census.gov/compendia/statab/2010/tables/10s1204.pdf>.