APA Style

Grendell, J, H. et al (2003 .). Current diagnosis & treatment in gastroenterology (2nd ed.). New York :: Lang Medical Books/McGraw-Hill,.

MLA Style

Grendell, James, H.. et al. "Current diagnosis & treatment in gastroenterology". 2nd ed. New York :: Lang Medical Books/McGraw-Hill,, 2003 .. Text.