APA-ийн эшлэл(7 дахь хэвлэлт)

Koestler, A. (1959). The sleepwalkers: A history of man's changing vision of the universe. Grosset & Dunlap.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Koestler, Arthur. The Sleepwalkers: A History of Man's Changing Vision of the Universe. New York: Grosset & Dunlap, 1959.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Koestler, Arthur. The Sleepwalkers: A History of Man's Changing Vision of the Universe. Grosset & Dunlap, 1959.