MLA

Gupta, Ramesh K.; Gupta, Pallav, and Pallav Gupta. Pathology of Opportunistic Infections. Springer Singapore, 2017.

APA

Gupta, P.Gupta, P. (2017). Pathology of Opportunistic Infections. Springer Singapore.

Chicago

Gupta, Ramesh K.; Gupta, Pallav, and Pallav Gupta. Pathology of Opportunistic Infections. : Springer Singapore, 2017.