Gaya APA

S.B.Biswas, ., Biswas, A. (1976). An Introduction To Viruses . New Delhi: Vikas Publishing House PVT LTD.

Gaya MLA

S.B.Biswas, ., Biswas, Amita. "An Introduction To Viruses". 0 New Delhi: Vikas Publishing House PVT LTD, 1976. Text.