APA (7th ed.) Citation

Reeping, P. M., Branas, C. C., Galea, S., Wiebe, D. J., Kalesan, B., & Cerda, M. (2019). State gun laws, gun ownership, and mass shootings in the US: Cross sectional time series. The BMJ, 364, 1542. doi:10.1136/bmj.l542

Chicago Style (17th ed.) Citation

Reeping, Paul M., Charles C. Branas, Sandro Galea, Douglas J. Wiebe, Bindu Kalesan, and Magdalena Cerda. "State Gun Laws, Gun Ownership, and Mass Shootings in the US: Cross Sectional Time Series." The BMJ 364 (2019): 1542. https://doi.org/10.1136/bmj.l542.

MLA (9th ed.) Citation

Reeping, Paul M., et al. "State Gun Laws, Gun Ownership, and Mass Shootings in the US: Cross Sectional Time Series." The BMJ, vol. 364, 2019, p. 1542, https://doi.org/10.1136/bmj.l542.