Cita APA (7a ed.)

Howard League for Penal Reform. (1999). Scratching the surface: The hidden problem of self-harm in prisons. Howard League for Penal Reform.

Cita Chicago Style (17a ed.)

Howard League for Penal Reform. Scratching the Surface: The Hidden Problem of Self-harm in Prisons. London: Howard League for Penal Reform, 1999.

Cita MLA (8a ed.)

Howard League for Penal Reform. Scratching the Surface: The Hidden Problem of Self-harm in Prisons. Howard League for Penal Reform, 1999.