MLA

Hong, Theodore; Das, Prajnan, and Prajnan Das. Radiation Therapy for Gastrointestinal Cancers. Springer International Publishing, 2017.

APA

Hong, P., & Das, P. (2017). Radiation Therapy for Gastrointestinal Cancers. Springer International Publishing.

Chicago

Hong, Theodore; Das, Prajnan, and Prajnan Das. Radiation Therapy for Gastrointestinal Cancers. : Springer International Publishing, 2017.