APA Style

Gupta, P., Ghai, O, P. (2007). Textbook of preventive and social medicine (2nd ed.). New Delhi: CBS Publishers & Distributors.

MLA Style

Gupta, Piyush., Ghai, O., P. "Textbook of preventive and social medicine". 2nd ed. New Delhi: CBS Publishers & Distributors, 2007. Text.