Cita APA (7a ed.)

Heal, K., & Laycock, G. K. (1986). Situational crime prevention: From theory into practice. H.M.S.O.

Cita Chicago Style (17a ed.)

Heal, Kevin, y Gloria K. Laycock. Situational Crime Prevention: From Theory into Practice. London: H.M.S.O, 1986.

Cita MLA (9a ed.)

Heal, Kevin, y Gloria K. Laycock. Situational Crime Prevention: From Theory into Practice. H.M.S.O, 1986.