MLA

Kumarasinghe, and Ian Brown. Endoscopic Biopsy Interpretation. Springer International Publishing, 2019.

APA

Kumarasinghe, K., & Brown, I. (2019). Endoscopic Biopsy Interpretation. Springer International Publishing.

Chicago

Kumarasinghe, and Ian Brown. Endoscopic Biopsy Interpretation. : Springer International Publishing, 2019.