A concise history of paediatric gastroenterology /
[edited by] John Walker-Smith, W. Allan Walker.

APA Citation

Walker, W. Allan., Walker-Smith, J. A. (2004). A concise history of paediatric gastroenterology. Oxfordshire: Bladon Medical.

MLA Citation

Walker, W. Allan, and John A Walker-Smith. A Concise History of Paediatric Gastroenterology. Oxfordshire: Bladon Medical, 2004.

Warning: These citations may not always be complete (especially for serials).