APA
Chay K. Y., Greenstone Michael & National Bureau Of Economic Research. (2003). Air quality, infant mortality, and the clean air act of 1970. Cambridge, MA: NBER.
Chicago
Chay Kenneth Y, Greenstone Michael and National Bureau Of Economic Research. 2003. Air quality, infant mortality, and the clean air act of 1970. Cambridge, MA: NBER.
Harvard
Chay K. Y., Greenstone Michael and National Bureau Of Economic Research. (2003). Air quality, infant mortality, and the clean air act of 1970. Cambridge, MA: NBER.
MLA
Chay Kenneth Y, Greenstone Michael and National Bureau Of Economic Research. Air quality, infant mortality, and the clean air act of 1970. Cambridge, MA: NBER. 2003.
TextSeries: NBER working papersPublication details: Cambridge, MA NBER 2003Description: 43pISBN: 
Working Papers (Print)
