Cita APA (7a ed.)

Davies, G. M., Marshall, E., & Robertson, N. (1998). Child abuse: Training investigating officers. Police research series.

Cita Chicago Style (17a ed.)

Davies, Graham M., Emma Marshall, y Noelle Robertson. "Child Abuse: Training Investigating Officers." Police Research Series 1998.

Cita MLA (8a ed.)

Davies, Graham M., et al. "Child Abuse: Training Investigating Officers." Police Research Series, 1998.