Cita APA (7a ed.)

Helander, E., & Helander, E. A. (2008). Children and violence: The world of the defenceless (1. publ.). Palgrave Macmillan.

Cita Chicago Style (17a ed.)

Helander, Einar, y Einar A. Helander. Children and Violence: The World of the Defenceless. 1. publ. Basingstoke [u.a.]: Palgrave Macmillan, 2008.

Cita MLA (8a ed.)

Helander, Einar, y Einar A. Helander. Children and Violence: The World of the Defenceless. 1. publ. Palgrave Macmillan, 2008.