Graeme Garden, Film: The Exorcist[collegamento interrotto], in New Scientist, vol. 62, n. 892, Reed Business Information, 4 aprile 1974, pp. 37-38, ISSN 0262-4079 (WC · ACNP). URL consultato il 23 febbraio 2019.
«The manager of the cinema where I saw the film said they had two or three ambulances a day to cart off the faint-hearted, and usherettes had to prise the odd reluctant viewer away from the woodwork. He said that what disturbed them most seemed to be the blood and needles.»