APA Style

Feldman, M. et al (2016). Sleisenger and Fordtran's gastrointestinal and liver disease : pathophysiology/diagnosis/management .2 vol set. (10th ed). Philadelphia: Saunders/Elsevier.

MLA Style

Feldman, Mark. et al. "Sleisenger and Fordtran's gastrointestinal and liver disease : pathophysiology/diagnosis/management .2 vol set.". 10th ed Philadelphia: Saunders/Elsevier, 2016. Text.