APA (7th ed.) Citation

Koper, C. S., Fritz, N., Wu, X., & Lum, C. (2020). Proactive policing in the United States: A national survey. Policing, 43(5), 861-876. doi:10.1108/PIJPSM-06-2020-0086

Chicago Style (17th ed.) Citation

Koper, Christopher S., Noah Fritz, Xiaoyun Wu, and Cynthia Lum. "Proactive Policing in the United States: A National Survey." Policing 43, no. 5 (2020): 861-876. https://doi.org/10.1108/PIJPSM-06-2020-0086.

MLA (9th ed.) Citation

Koper, Christopher S., et al. "Proactive Policing in the United States: A National Survey." Policing, vol. 43, no. 5, 2020, pp. 861-876, https://doi.org/10.1108/PIJPSM-06-2020-0086.