APA
Chay K. Y., Greenstone Michael & National Bureau Of Economic Research. (1999). The impact of air pollution on infant mortality: evidence from geographic variation in pollution shocks induced by a recession. Cambridge, MA: NBER.
Chicago
Chay Kenneth Y, Greenstone Michael and National Bureau Of Economic Research. 1999. The impact of air pollution on infant mortality: evidence from geographic variation in pollution shocks induced by a recession. Cambridge, MA: NBER.
Harvard
Chay K. Y., Greenstone Michael and National Bureau Of Economic Research. (1999). The impact of air pollution on infant mortality: evidence from geographic variation in pollution shocks induced by a recession. Cambridge, MA: NBER.
MLA
Chay Kenneth Y, Greenstone Michael and National Bureau Of Economic Research. The impact of air pollution on infant mortality: evidence from geographic variation in pollution shocks induced by a recession. Cambridge, MA: NBER. 1999.