APA način citiranja

Jankowski, J., & Barr, H. (2006). Improving surveillance for Barrett's oesophagus: AspECT and BOSS trials provide an evidence base. BMJ Publishing Group Ltd.

Čikaški stil citiranja

Jankowski, Janusz, i Hugh Barr. Improving Surveillance for Barrett's Oesophagus: AspECT and BOSS Trials Provide an Evidence Base. BMJ Publishing Group Ltd, 2006.

MLA način citiranja

Jankowski, Janusz, i Hugh Barr. Improving Surveillance for Barrett's Oesophagus: AspECT and BOSS Trials Provide an Evidence Base. BMJ Publishing Group Ltd, 2006.