APA Edition Citation

Koestler ,Arthur. (1964). Sleepwalkers. ARKANA, London.

Chicago Edition Citation

Koestler ,Arthur. Sleepwalkers. ARKANA, London: ARKANA, London, 1964.

MLA Edition Citation

Koestler ,Arthur. Sleepwalkers. ARKANA, London, 1964.

Warning: These citations may not always be 100% accurate.