Cita APA (7a ed.)

Jewell, D., & Truelove, S. (1974). Azathioprine in ulcerative colitis: Final report on controlled therapeutic trial.

Cita Chicago Style (17a ed.)

Jewell, D., y S. Truelove. Azathioprine in Ulcerative Colitis: Final Report on Controlled Therapeutic Trial. 1974.

Cita MLA (9a ed.)

Jewell, D., y S. Truelove. Azathioprine in Ulcerative Colitis: Final Report on Controlled Therapeutic Trial. 1974.