MLA

Sagar, et al. Antibiotic Resistant Bacteria: A Challenge to Modern Medicine. Springer Singapore, 2019.

APA

Sagar, S., Das, A. Jyoti, Kaistha, S., & Kumar, R. (2019). Antibiotic Resistant Bacteria: A Challenge to Modern Medicine. Springer Singapore.

Chicago

Sagar, Amar Jyoti Das, Shilpa Kaistha, and Rajesh Kumar. Antibiotic Resistant Bacteria: A Challenge to Modern Medicine. : Springer Singapore, 2019.