Cita APA

Guthrie, E. A., Creed, F. H., Whorwell, P. J., & Tomenson, B. (1992). Outpatients with irritable bowel syndrome: A comparison of first time and chronic attenders.

Chicago Style Citation

Guthrie, E A., F H. Creed, P J. Whorwell, i B. Tomenson. Outpatients With Irritable Bowel Syndrome: A Comparison of First Time and Chronic Attenders. 1992.

Cita MLA

Guthrie, E A., F H. Creed, P J. Whorwell, i B. Tomenson. Outpatients With Irritable Bowel Syndrome: A Comparison of First Time and Chronic Attenders. 1992.