MLA

Cunningham, Carin L, and Gerard A Banez. Pediatric Gastrointestinal Disorders. Springer US, 2006.

APA

Cunningham, C. L, & Banez, G. A. (2006). Pediatric Gastrointestinal Disorders. Springer US.

Chicago

Cunningham, Carin L., and Gerard A Banez. Pediatric Gastrointestinal Disorders. : Springer US, 2006.