APA (7th ed.) Citation
Subrahmanyam, N., Lal, B., & Avadhanulu, M. (1966). A textbook of optics (23rd rev. enl. ed.). S. Chand.
Chicago Style (17th ed.) Citation
Subrahmanyam, N., Brij Lal, and M.N Avadhanulu. A Textbook of Optics. 23rd rev. enl. ed. New Delhi: S. Chand, 1966.
MLA (9th ed.) Citation
Subrahmanyam, N., et al. A Textbook of Optics. 23rd rev. enl. ed. S. Chand, 1966.
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