APA (7th ed.) Citation

Clark, A. D. (1973). Zoom lenses. Hilger.

Chicago Style (17th ed.) Citation

Clark, Alan D. Zoom Lenses. London: Hilger, 1973.

MLA (9th ed.) Citation

Clark, Alan D. Zoom Lenses. Hilger, 1973.

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