Citação norma APA

BOUMA, G., OUDKERK POOL, M., CRUSIUS, J. B. A., SCHREUDER, G. M. T., HELLEMANS, H. P. R., MEIJER, B. U. G. A., . . . PEÑA, A. S. (1997). Evidence for genetic heterogeneity in inflammatory bowel disease (IBD); HLA genes in the predisposition to suffer from ulcerative colitis (UC) and Crohn's disease (CD). Blackwell Science Inc.

Citação norma Chicago

BOUMA, G., et al. Evidence for Genetic Heterogeneity in Inflammatory Bowel Disease (IBD); HLA Genes in the Predisposition to Suffer From Ulcerative Colitis (UC) and Crohn's Disease (CD). Blackwell Science Inc, 1997.

Citação norma MLA

BOUMA, G., et al. Evidence for Genetic Heterogeneity in Inflammatory Bowel Disease (IBD); HLA Genes in the Predisposition to Suffer From Ulcerative Colitis (UC) and Crohn's Disease (CD). Blackwell Science Inc, 1997.

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