APA Style

Feldman, M. et al (2022). Sleisenger and Fordtan's gastrointestinal and liver disease : pathophysiology/diagnosis . Philadelphia: W.B. Saunders Co. ltd..

MLA Style

Feldman, Mark. et al. "Sleisenger and Fordtan's gastrointestinal and liver disease : pathophysiology/diagnosis". Philadelphia: W.B. Saunders Co. ltd., 2022. Text.