APA
Fletcher J. M., National Bureau of Economic Research, Horwitz L. I. & Bradley E. (2014). Estimating the value added of attending physicians on patient outcomes. Cambridge: NBER.
Chicago
Fletcher Jason M, National Bureau of Economic Research, Horwitz Leora I and Bradley Elizabeth. 2014. Estimating the value added of attending physicians on patient outcomes. Cambridge: NBER.
Harvard
Fletcher J. M., National Bureau of Economic Research, Horwitz L. I. and Bradley E. (2014). Estimating the value added of attending physicians on patient outcomes. Cambridge: NBER.
MLA
Fletcher Jason M, National Bureau of Economic Research, Horwitz Leora I and Bradley Elizabeth. Estimating the value added of attending physicians on patient outcomes. Cambridge: NBER. 2014.