APA
Gustman A., National Bureau of Economic Research, Steinmeier T. & Tabatabai N. (2014). Distributional effects of means testing social security. Cambridge: NBER.
Chicago
Gustman Alan, National Bureau of Economic Research, Steinmeier Thomas and Tabatabai Nahid. 2014. Distributional effects of means testing social security. Cambridge: NBER.
Harvard
Gustman A., National Bureau of Economic Research, Steinmeier T. and Tabatabai N. (2014). Distributional effects of means testing social security. Cambridge: NBER.
MLA
Gustman Alan, National Bureau of Economic Research, Steinmeier Thomas and Tabatabai Nahid. Distributional effects of means testing social security. Cambridge: NBER. 2014.