APA (7th ed.) Citation

Ray, S. F. (1977). The lens and all its jobs. Focal Press ; Focal/Hastings House.

Chicago Style (17th ed.) Citation

Ray, Sidney F. The Lens and All Its Jobs. London : New York: Focal Press ; Focal/Hastings House, 1977.

MLA (8th ed.) Citation

Ray, Sidney F. The Lens and All Its Jobs. Focal Press ; Focal/Hastings House, 1977.

Warning: These citations may not always be 100% accurate.