APA način citiranja

Koestler, A., & Hardy, D. (1994). Darkness at noon. Vintage.

Čikaški stil citiranja

Koestler, Arthur, i Daphne Hardy. Darkness at Noon. London: Vintage, 1994.

MLA način citiranja

Koestler, Arthur, i Daphne Hardy. Darkness at Noon. Vintage, 1994.