APA
Garber A. M., Mcclellan Mark C, Macurdy Thomas E & National Bureau Of Economic Research. (1997). Persistence of medicare expenditures among elderly benficiaries. Cambridge, MA: NBER.
Chicago
Garber Alan M, Mcclellan Mark C, Macurdy Thomas E and National Bureau Of Economic Research. 1997. Persistence of medicare expenditures among elderly benficiaries. Cambridge, MA: NBER.
Harvard
Garber A. M., Mcclellan Mark C, Macurdy Thomas E and National Bureau Of Economic Research. (1997). Persistence of medicare expenditures among elderly benficiaries. Cambridge, MA: NBER.
MLA
Garber Alan M, Mcclellan Mark C, Macurdy Thomas E and National Bureau Of Economic Research. Persistence of medicare expenditures among elderly benficiaries. Cambridge, MA: NBER. 1997.