Cita APA (7a ed.)

Bergquist, C. W., Peñaranda, R., & Sánchez G., G. (1992). Violence in Colombia: The contemporary crisis in historical perspective. SR Books.

Cita Chicago Style (17a ed.)

Bergquist, Charles W., Ricardo Peñaranda, y Gonzalo Sánchez G. Violence in Colombia: The Contemporary Crisis in Historical Perspective. Wilmington, Del.: SR Books, 1992.

Cita MLA (8a ed.)

Bergquist, Charles W., et al. Violence in Colombia: The Contemporary Crisis in Historical Perspective. SR Books, 1992.