APA Style

Sing, M., Saini, S. (2019-20). Conceptual Review of Preventive and Social Medicine : (PSM) (2nd ed.). New Delhi: CBS Publishers.

MLA Style

Sing, Mukhmohit., Saini, Shveta. "Conceptual Review of Preventive and Social Medicine : (PSM)". 2nd ed. New Delhi: CBS Publishers, 2019-20. Text.