Cita APA (7a ed.)

Johnson, R. R., & Billings, A. N. (2010). Ecological influences on state police district activity. The Police journal, 83(4), 305-323. doi:10.1350/pojo.2010.83.4.503

Cita Chicago Style (17a ed.)

Johnson, Richard Ronald, y Ashley N. Billings. "Ecological Influences on State Police District Activity." The Police Journal 83, no. 4 (2010): 305-323. https://doi.org/10.1350/pojo.2010.83.4.503.

Cita MLA (9a ed.)

Johnson, Richard Ronald, y Ashley N. Billings. "Ecological Influences on State Police District Activity." The Police Journal, vol. 83, no. 4, 2010, pp. 305-323, https://doi.org/10.1350/pojo.2010.83.4.503.