Cita APA (7a ed.)

Frey, R. G., Morris, C. W., & Morris, C. W. (1991). Violence, terrorism, and justice (1. publ.). Cambridge Univ. Pr.

Cita Chicago Style (17a ed.)

Frey, R. G., Christopher W. Morris, y Christopher W. Morris. Violence, Terrorism, and Justice. 1. publ. Cambridge [England] New York: Cambridge Univ. Pr, 1991.

Cita MLA (8a ed.)

Frey, R. G., et al. Violence, Terrorism, and Justice. 1. publ. Cambridge Univ. Pr, 1991.