@techreport{DeNavas-Walt2007,
author = {DeNavas-Walt, C. and Proctor, B. D. and Smith, J.},
title= {Income, poverty, and health Insurance coverage in the United States: 2006},
year = {2007},
publisher = {U.S. Government Printing Office},
address = {Washington, D.C.},
number = {U.S. Census Bureau, Current Population Reports P60-233},
}