Cita APA (7th ed.)

Bhattacharya, S. (2006). Expunging variola: The control and eradication of smallpox in India, 1947-1977. Orient Longman.

Cita Chicago (17th ed.)

Bhattacharya, Sanjoy. Expunging Variola: The Control and Eradication of Smallpox in India, 1947-1977. New Delhi: Orient Longman, 2006.

Cita MLA (8th ed.)

Bhattacharya, Sanjoy. Expunging Variola: The Control and Eradication of Smallpox in India, 1947-1977. Orient Longman, 2006.