Cita APA (7a ed.)

Callahan, W. T., & Knoblauch, R. (1973). Prevention and control of collective violence. Prevention and control of collective violence.

Cita Chicago Style (17a ed.)

Callahan, William T., y Richard Knoblauch. "Prevention and Control of Collective Violence." Prevention and Control of Collective Violence 1973.

Cita MLA (9a ed.)

Callahan, William T., y Richard Knoblauch. "Prevention and Control of Collective Violence." Prevention and Control of Collective Violence, 1973.