APA Style

Nema, H., Nem, N. (2012). Textbook of ophthalmology (6th ed.). New Delhi: Jaypee Brothers Medical Publishers Pvt. Ltd..

MLA Style

Nema, H.V., Nem, Nitin. "Textbook of ophthalmology". 6th ed. New Delhi: Jaypee Brothers Medical Publishers Pvt. Ltd., 2012. Text.