MLA

Kumar, Saravana; Gomes, Rachel Maria; Palanivelu, Praveen Raj, Rachel Maria Gomes, and Saravana Kumar. Bariatric Surgical Practice Guide. Springer Singapore, 2017.

APA

Kumar, P. Raj, Gomes, R. Maria, & Kumar, S. (2017). Bariatric Surgical Practice Guide. Springer Singapore.

Chicago

Kumar, Saravana; Gomes, Rachel Maria; Palanivelu, Praveen Raj, Rachel Maria Gomes, and Saravana Kumar. Bariatric Surgical Practice Guide. : Springer Singapore, 2017.