APA (7th ed.) Citation
Ray, S. F. (1977). The lens in and all its jobs. Hastings house.
Chicago Style (17th ed.) Citation
Ray, Sidney F. The Lens in and All Its Jobs. New York: Hastings house, 1977.
MLA (9th ed.) Citation
Ray, Sidney F. The Lens in and All Its Jobs. Hastings house, 1977.
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