Citação norma APA

O'Morain, C., Smethurst, P., Levi, A. J., & Peters, T. J. (1983). Biochemical analysis of enzymic markers of inflammation in rectal biopsies from patients with ulcerative colitis and Crohn's disease.

Citação norma Chicago

O'Morain, C., P. Smethurst, A J. Levi, and T J. Peters. Biochemical Analysis of Enzymic Markers of Inflammation in Rectal Biopsies From Patients With Ulcerative Colitis and Crohn's Disease. 1983.

Citação norma MLA

O'Morain, C., P. Smethurst, A J. Levi, and T J. Peters. Biochemical Analysis of Enzymic Markers of Inflammation in Rectal Biopsies From Patients With Ulcerative Colitis and Crohn's Disease. 1983.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.