Cita APA (7a ed.)

Haider-Markel, D. P., & O'Brien, S. P. (1997). Creating a 'well-regulated militia': Policy responses to paramilitary groups in the American states. Political research quarterly, 50(3), 551-565.

Cita Chicago Style (17a ed.)

Haider-Markel, Donald P., y Sean P. O'Brien. "Creating a 'Well-regulated Militia': Policy Responses to Paramilitary Groups in the American States." Political Research Quarterly 50, no. 3 (1997): 551-565.

Cita MLA (9a ed.)

Haider-Markel, Donald P., y Sean P. O'Brien. "Creating a 'Well-regulated Militia': Policy Responses to Paramilitary Groups in the American States." Political Research Quarterly, vol. 50, no. 3, 1997, pp. 551-565.