APA Style

Walker, W, A. (2000). Pediatric gastrointestinal disease :pathophysiology, diagnosis, management (3rd ed.). Hamilton, Ont. ;;Lewiston, NY : B.C. Decker,.

MLA Style

Walker, W., Allan.. "Pediatric gastrointestinal disease :pathophysiology, diagnosis, management". 3rd ed. Hamilton, Ont. ;;Lewiston, NY : B.C. Decker,, 2000. Text.