APA (7th ed.) Citation

Subrahmanyam, N., Lal, B., & Avadhanulu, M. (2010). A textbook of optics (Rev. ed.). S Chand & Co Ltd.

Chicago Style (17th ed.) Citation

Subrahmanyam, N., Brij Lal, and M.N Avadhanulu. A Textbook of Optics. Rev. ed. New Delhi: S Chand & Co Ltd, 2010.

MLA (8th ed.) Citation

Subrahmanyam, N., et al. A Textbook of Optics. Rev. ed. S Chand & Co Ltd, 2010.