Cita APA (7a ed.)

Clutterbuck, R., & Mark, R. (1987). Kidnap, hijack and extortion, the response. Macmillan Press.

Cita Chicago Style (17a ed.)

Clutterbuck, Richard, y Robert Mark. Kidnap, Hijack and Extortion, the Response. Houndmills [etc]: Macmillan Press, 1987.

Cita MLA (9a ed.)

Clutterbuck, Richard, y Robert Mark. Kidnap, Hijack and Extortion, the Response. Macmillan Press, 1987.