APA Edition Citation

Ghatak, A. K., & Thyagarajan, K. (1981). Contemporary optics.

Chicago Edition Citation

Ghatak, A K., and K. Thyagarajan. Contemporary Optics. New Delhi, Macmillan, 1981.

MLA Edition Citation

Ghatak, A K., and K. Thyagarajan. Contemporary Optics. 1981.