Cita APA (7a ed.)

Orchard, T., Thiyagaraja, S., Welsh, K., Wordsworth, B., & Jewell, D. (1998). HLA genes are important phenotype determining genes in the peripheral arthropathies of inflammatory bowel disease (IBD).

Cita Chicago Style (17a ed.)

Orchard, T., S. Thiyagaraja, K. Welsh, B. Wordsworth, y D. Jewell. HLA Genes Are Important Phenotype Determining Genes in the Peripheral Arthropathies of Inflammatory Bowel Disease (IBD). 1998.

Cita MLA (9a ed.)

Orchard, T., et al. HLA Genes Are Important Phenotype Determining Genes in the Peripheral Arthropathies of Inflammatory Bowel Disease (IBD). 1998.