Cita APA (7th ed.)

Biswas, S. B., & Biswas, A. (1993). An Introduction to Viruses (4th rev. ed.). Vikas Publishing House Pvt. Ltd..

Cita Chicago (17th ed.)

Biswas, S. B., i Amita Biswas. An Introduction to Viruses. 4th rev. ed. New Delhi: Vikas Publishing House Pvt. Ltd., 1993.

Cita MLA (9th ed.)

Biswas, S. B., i Amita Biswas. An Introduction to Viruses. 4th rev. ed. Vikas Publishing House Pvt. Ltd., 1993.