APA citiranje

Williams, J. G., Cohen, D. R., & Russell, I. T. (2002). Clarifications: Open access follow up for inflammatory bowel disease. BMJ Publishing Group.

Citação norma Chicago

Williams, J G., D R. Cohen, and I T. Russell. Clarifications: Open Access Follow Up for Inflammatory Bowel disease. BMJ Publishing Group, 2002.

MLA citiranje

Williams, J G., D R. Cohen, and I T. Russell. Clarifications: Open Access Follow Up for Inflammatory Bowel disease. BMJ Publishing Group, 2002.