APA Edition Citation

Subrahmanyam, N., & Brij Lal. (1997). Text book of optics. S Chand.

Chicago Edition Citation

Subrahmanyam, N., and Brij Lal. Text Book of Optics. New Delhi: S Chand, 1997.

MLA Edition Citation

Subrahmanyam, N., and Brij Lal. Text Book of Optics. S Chand, 1997.

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