APA
Buchmueller T. C., Liu Su & National Bureau Of Economic Research. (2005). Health insurance reform and HMO penetration in the small group market. Cambridge, MA: NBER.
Chicago
Buchmueller Thomas C, Liu Su and National Bureau Of Economic Research. 2005. Health insurance reform and HMO penetration in the small group market. Cambridge, MA: NBER.
Harvard
Buchmueller T. C., Liu Su and National Bureau Of Economic Research. (2005). Health insurance reform and HMO penetration in the small group market. Cambridge, MA: NBER.
MLA
Buchmueller Thomas C, Liu Su and National Bureau Of Economic Research. Health insurance reform and HMO penetration in the small group market. Cambridge, MA: NBER. 2005.