APA
Griffin B. A. e. a., National Bureau of Economic Research, . (2020). Variation in performance of commonly used statistical methods for estimating effectiveness of state-level opioid policies on opioidrelated mortality. Cambridge: NBER.
Chicago
Griffin Beth Ann et al, National Bureau of Economic Research, . 2020. Variation in performance of commonly used statistical methods for estimating effectiveness of state-level opioid policies on opioidrelated mortality. Cambridge: NBER.
Harvard
Griffin B. A. e. a., National Bureau of Economic Research, . (2020). Variation in performance of commonly used statistical methods for estimating effectiveness of state-level opioid policies on opioidrelated mortality. Cambridge: NBER.
MLA
Griffin Beth Ann et al, National Bureau of Economic Research, . Variation in performance of commonly used statistical methods for estimating effectiveness of state-level opioid policies on opioidrelated mortality. Cambridge: NBER. 2020.