APA (7th ed.) Citation

S, S., EEM, M., EC, S., & MB, K. (2019). Evaluating the impact of health policies: Using a difference-in-differences approach. International journal of public health, 64(4), 637. https://doi.org/10.1007/s00038-018-1195-2

Chicago Style (17th ed.) Citation

S, Saeed, Moodie EEM, Strumpf EC, and Klein MB. "Evaluating the Impact of Health Policies: Using a Difference-in-differences Approach." International Journal of Public Health 64, no. 4 (2019): 637. https://doi.org/10.1007/s00038-018-1195-2.

MLA (9th ed.) Citation

S, Saeed, et al. "Evaluating the Impact of Health Policies: Using a Difference-in-differences Approach." International Journal of Public Health, vol. 64, no. 4, 2019, p. 637, https://doi.org/10.1007/s00038-018-1195-2.