APA aipamena

Hotopf, M., Carr, S., Mayou, R., Wadsworth, M., & Wessely, S. (1998). Why do children have chronic abdominal pain, and what happens to them when they grow up? Population based cohort study. British Medical Journal.

Chicago Style aipamena

Hotopf, Matthew, Siobhán Carr, Richard Mayou, Michael Wadsworth, and Simon Wessely. Why Do Children Have Chronic Abdominal Pain, and What Happens to Them When They Grow Up? Population Based Cohort Study. British Medical Journal, 1998.

MLA aipamena

Hotopf, Matthew, et al. Why Do Children Have Chronic Abdominal Pain, and What Happens to Them When They Grow Up? Population Based Cohort Study. British Medical Journal, 1998.