Cita APA

van Heel, D. A. (2005). Kirsner’s Inflammatory Bowel Disease, 6th edn. Copyright 2005 by Gut.

Citación estilo Chicago

van Heel, D A. Kirsner’s Inflammatory Bowel Disease, 6th Edn. Copyright 2005 by Gut, 2005.

Cita MLA

van Heel, D A. Kirsner’s Inflammatory Bowel Disease, 6th Edn. Copyright 2005 by Gut, 2005.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.