Cita APA (7a ed.)

Earl, J., Soule, S. A., & McCarthy, J. D. (2003). Protest under fire? Explaining the policing of protest. American sociological review, 68(4), 581-606.

Cita Chicago Style (17a ed.)

Earl, Jennifer, Sarah A. Soule, y John D. McCarthy. "Protest Under Fire? Explaining the Policing of Protest." American Sociological Review 68, no. 4 (2003): 581-606.

Cita MLA (8a ed.)

Earl, Jennifer, et al. "Protest Under Fire? Explaining the Policing of Protest." American Sociological Review, vol. 68, no. 4, 2003, pp. 581-606.