APA (7th ed.) Citation

Subrahmanyam, N., Avadhanulu., M., & Lal., B. A textbook of optics. S. Chand & Company LTD..

Chicago Style (17th ed.) Citation

Subrahmanyam, N., M.N Avadhanulu., and Brij Lal. A Textbook of Optics. New Delhi: S. Chand & Company LTD..

MLA (9th ed.) Citation

Subrahmanyam, N., et al. A Textbook of Optics. S. Chand & Company LTD..