APA
Levine P. B., Velenchik Ann D, Gustafson Tara A & National Bureau Of Economic Research. (1995). More bad news for smokers? The effects of cigarette smoking on labor market outcomes. Cambridge, MA: NBER.
Chicago
Levine Phillip B, Velenchik Ann D, Gustafson Tara A and National Bureau Of Economic Research. 1995. More bad news for smokers? The effects of cigarette smoking on labor market outcomes. Cambridge, MA: NBER.
Harvard
Levine P. B., Velenchik Ann D, Gustafson Tara A and National Bureau Of Economic Research. (1995). More bad news for smokers? The effects of cigarette smoking on labor market outcomes. Cambridge, MA: NBER.
MLA
Levine Phillip B, Velenchik Ann D, Gustafson Tara A and National Bureau Of Economic Research. More bad news for smokers? The effects of cigarette smoking on labor market outcomes. Cambridge, MA: NBER. 1995.