APA način citiranja

Athwal, T. S., Howard, N., Belfield, J., & Gur, U. (2012). Large bowel obstruction due to impaction of a gallstone. BMJ Publishing Group.

Čikaški stil citiranja

Athwal, Tejinderjit Singh, Nicholas Howard, Jane Belfield, i Ufuk Gur. Large Bowel Obstruction Due to Impaction of a Gallstone. BMJ Publishing Group, 2012.

MLA način citiranja

Athwal, Tejinderjit Singh, Nicholas Howard, Jane Belfield, i Ufuk Gur. Large Bowel Obstruction Due to Impaction of a Gallstone. BMJ Publishing Group, 2012.