APA (7th ed.) Citation
Subrahmanyam, N., & Lal, B. (1966). A Text Book of Optics. S. Chand & Company.
Chicago Style (17th ed.) Citation
Subrahmanyam, N., and Brij Lal. A Text Book of Optics. New Delhi: S. Chand & Company, 1966.
MLA (9th ed.) Citation
Subrahmanyam, N., and Brij Lal. A Text Book of Optics. S. Chand & Company, 1966.
Warning: These citations may not always be 100% accurate.