APA (7th ed.) Citation

Boutry, G. A. (1961). Instrumental optics. Hilger & Watts.

Chicago Style (17th ed.) Citation

Boutry, G. A. Instrumental Optics. London: Hilger & Watts, 1961.

MLA (8th ed.) Citation

Boutry, G. A. Instrumental Optics. Hilger & Watts, 1961.

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