Cita APA (7a ed.)

Wiener, R., & Crosby, I. (1986). Handling violence and aggression. National Council of Voluntary Child Care Organisations [u.a.].

Cita Chicago Style (17a ed.)

Wiener, Ron, y Ian Crosby. Handling Violence and Aggression. London: National Council of Voluntary Child Care Organisations [u.a.], 1986.

Cita MLA (9a ed.)

Wiener, Ron, y Ian Crosby. Handling Violence and Aggression. National Council of Voluntary Child Care Organisations [u.a.], 1986.