Cita APA (7a ed.)

Gurr, T. R., Grabosky, P. N., & Hula, R. C. (1977). The politics of crime and conflict: A comparative history of four cities. Sage.

Cita Chicago Style (17a ed.)

Gurr, Ted Robert, Peter N. Grabosky, y Richard C. Hula. The Politics of Crime and Conflict: A Comparative History of Four Cities. Beverly Hills, Calif. [u.a.]: Sage, 1977.

Cita MLA (9a ed.)

Gurr, Ted Robert, et al. The Politics of Crime and Conflict: A Comparative History of Four Cities. Sage, 1977.