Gibbs, J. C., Mills, A., Priesman, E., & Ruiz, J. (2018). Police officers killed on duty: Comparing the influence of social investment on line of duty deaths of men and women officers in the United States. International journal of police science & management, 20(4), 284-295. doi:10.1177/1461355718817332
Cita Chicago Style (17a ed.)Gibbs, Jennifer C., Amy Mills, Emily Priesman, y James Ruiz. "Police Officers Killed on Duty: Comparing the Influence of Social Investment on Line of Duty Deaths of Men and Women Officers in the United States." International Journal of Police Science & Management 20, no. 4 (2018): 284-295. https://doi.org/10.1177/1461355718817332.
Cita MLA (9a ed.)Gibbs, Jennifer C., et al. "Police Officers Killed on Duty: Comparing the Influence of Social Investment on Line of Duty Deaths of Men and Women Officers in the United States." International Journal of Police Science & Management, vol. 20, no. 4, 2018, pp. 284-295, https://doi.org/10.1177/1461355718817332.