Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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