Koestler, A., & Butterfield, H. (1964). The Sleepwalkers: A history of man's changing vision of the universe; with an introduction by Herbert Butterfield. Penguin.
Цитирование в стиле Чикаго (17-е изд.)Koestler, Arthur, и Herbert Butterfield. The Sleepwalkers: A History of Man's Changing Vision of the Universe; with an Introduction by Herbert Butterfield. London: Penguin, 1964.
Цитирование MLA (9-е изд.)Koestler, Arthur, и Herbert Butterfield. The Sleepwalkers: A History of Man's Changing Vision of the Universe; with an Introduction by Herbert Butterfield. Penguin, 1964.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.