APA (7th ed.) Citation

Chadha V.K, Vaidyanathan P.S, Jagannatha P.S, Unnikrishnan K.P, & Mini P.A. (2003). Annual risk of tuberculous infection in the northern zone of India. The World Health Organization.

Chicago Style (17th ed.) Citation

Chadha V.K, Vaidyanathan P.S, Jagannatha P.S, Unnikrishnan K.P, and Mini P.A. Annual Risk of Tuberculous Infection in the Northern Zone of India. The World Health Organization, 2003.

MLA (9th ed.) Citation

Chadha V.K, et al. Annual Risk of Tuberculous Infection in the Northern Zone of India. The World Health Organization, 2003.