Cita APA (7a ed.)

Woolf, H., & Tumim, S. (1991). Prison disturbances April 1990. HMSO.

Cita Chicago Style (17a ed.)

Woolf, Harry, y Stephen Tumim. Prison Disturbances April 1990. London: HMSO, 1991.

Cita MLA (9a ed.)

Woolf, Harry, y Stephen Tumim. Prison Disturbances April 1990. HMSO, 1991.