Cita APA (7a ed.)

Gómez-sorzano, G. Terrorist murder, cycles of violence, and attacks index for the City of Philadelphia during the last two centuries.

Cita Chicago Style (17a ed.)

Gómez-sorzano, Gustavo. Terrorist Murder, Cycles of Violence, and Attacks Index for the City of Philadelphia During the Last Two Centuries.

Cita MLA (9a ed.)

Gómez-sorzano, Gustavo. Terrorist Murder, Cycles of Violence, and Attacks Index for the City of Philadelphia During the Last Two Centuries.