Cita APA

von Roon, A. C., Reese, G. E., & Tekkis, P. P. (2009). Haemorrhoids: Haemorrhoidal artery ligation. BMJ Publishing Group.

Chicago Style Citation

von Roon, Alexander C., George E. Reese, i Paris P. Tekkis. Haemorrhoids: Haemorrhoidal Artery Ligation. BMJ Publishing Group, 2009.

Cita MLA

von Roon, Alexander C., George E. Reese, i Paris P. Tekkis. Haemorrhoids: Haemorrhoidal Artery Ligation. BMJ Publishing Group, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.