Cita APA (7a ed.)

Kinney, J. A., & Johnson, D. L. (1993). Breaking point: The workplace violence epidemic and what to do about it. National Safe Workplace Inst.

Cita Chicago Style (17a ed.)

Kinney, Joseph A., y Dennis L. Johnson. Breaking Point: The Workplace Violence Epidemic and What to Do About It. Charlotte, NC: National Safe Workplace Inst, 1993.

Cita MLA (8a ed.)

Kinney, Joseph A., y Dennis L. Johnson. Breaking Point: The Workplace Violence Epidemic and What to Do About It. National Safe Workplace Inst, 1993.