APA Style

Seharschmidt, B., Feldman, M. (1993). Gastrointestinal disease Dathophysiology Diagnosis management (5th). Philadelphia: W.B saumders com.

MLA Style

Seharschmidt, BruceF., Feldman, Mank. "Gastrointestinal disease Dathophysiology Diagnosis management". 5th Philadelphia: W.B saumders com, 1993. Text.