APA način citiranja (7. izdanje)

Ireland, A., Mason, C., & Jewell, D. (1988). Controlled trial comparing olsalazine and sulphasalazine for the maintenance treatment of ulcerative colitis.

Čikaški stil citiranja (17. izdanje)

Ireland, A., C. Mason, i D. Jewell. Controlled Trial Comparing Olsalazine and Sulphasalazine for the Maintenance Treatment of Ulcerative Colitis. 1988.

MLA način citiranja (9. izdanje)

Ireland, A., et al. Controlled Trial Comparing Olsalazine and Sulphasalazine for the Maintenance Treatment of Ulcerative Colitis. 1988.