APA aipamena

Arthur Koestler. (1963). Darkness at noon. New York: Macmillan Publishing Co.

Chicago Style aipamena

Arthur Koestler. Darkness At Noon. New York: Macmillan Publishing Co, 1963.

MLA aipamena

Arthur Koestler. Darkness At Noon. New York: Macmillan Publishing Co, 1963.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.