APA
Duggan M., Singleton Perry, Rosenheck Robert & National Bureau Of Economic Research. (2006). Federal policy and the rise in disability enrollment: Evidence for the VA's disability compensation program. Cambridge, MA: NBER.
Chicago
Duggan Mark, Singleton Perry, Rosenheck Robert and National Bureau Of Economic Research. 2006. Federal policy and the rise in disability enrollment: Evidence for the VA's disability compensation program. Cambridge, MA: NBER.
Harvard
Duggan M., Singleton Perry, Rosenheck Robert and National Bureau Of Economic Research. (2006). Federal policy and the rise in disability enrollment: Evidence for the VA's disability compensation program. Cambridge, MA: NBER.
MLA
Duggan Mark, Singleton Perry, Rosenheck Robert and National Bureau Of Economic Research. Federal policy and the rise in disability enrollment: Evidence for the VA's disability compensation program. Cambridge, MA: NBER. 2006.