Cita APA (7a ed.)

Van Loo, E., Dijkstra, G., Ploeg, R., & Nieuwenhuijs, V. (2012). Prevention of postoperative recurrence of Crohn's disease.

Cita Chicago Style (17a ed.)

Van Loo, E., G. Dijkstra, R. Ploeg, y V. Nieuwenhuijs. Prevention of Postoperative Recurrence of Crohn's Disease. 2012.

Cita MLA (9a ed.)

Van Loo, E., et al. Prevention of Postoperative Recurrence of Crohn's Disease. 2012.