APA način citiranja

Roy, M. K., Delicata, R. J., & Carey, P. D. (1997). Crohn's disease presenting with acute colonic perforation. BMJ Group.

Čikaški stil citiranja

Roy, M. K., R. J. Delicata, i P. D. Carey. Crohn's Disease Presenting With Acute Colonic Perforation. BMJ Group, 1997.

MLA način citiranja

Roy, M. K., R. J. Delicata, i P. D. Carey. Crohn's Disease Presenting With Acute Colonic Perforation. BMJ Group, 1997.