APA
Cicala S. e. a., National Bureau of Economic Research, . (2020). Expected health effects of reduced air pollution from covid-19 social distancing. Cambridge: NBER.
Chicago
Cicala Steve et al, National Bureau of Economic Research, . 2020. Expected health effects of reduced air pollution from covid-19 social distancing. Cambridge: NBER.
Harvard
Cicala S. e. a., National Bureau of Economic Research, . (2020). Expected health effects of reduced air pollution from covid-19 social distancing. Cambridge: NBER.
MLA
Cicala Steve et al, National Bureau of Economic Research, . Expected health effects of reduced air pollution from covid-19 social distancing. Cambridge: NBER. 2020.