Cita APA (7a ed.)

Borchgrevink, A. S. (2013). A Norwegian tragedy: Anders Behring Breivik and the massacre on Utøya (Engl. ed.). Polity Press.

Cita Chicago Style (17a ed.)

Borchgrevink, Aage Storm. A Norwegian Tragedy: Anders Behring Breivik and the Massacre on Utøya. Engl. ed. Cambridge [u.a.]: Polity Press, 2013.

Cita MLA (8a ed.)

Borchgrevink, Aage Storm. A Norwegian Tragedy: Anders Behring Breivik and the Massacre on Utøya. Engl. ed. Polity Press, 2013.