Citação norma APA

Bellis, M., Beynon, C., Millar, T., Ashton, J., Thomson, R., Djuretic, T., & Taylor, A. (2001). Unexplained illness and deaths among injecting drug users in England: A case control study using Regional Drug Misuse Databases. BMJ Group.

Citação norma Chicago

Bellis, M., C. Beynon, T. Millar, J. Ashton, R. Thomson, T. Djuretic, and A. Taylor. Unexplained Illness and Deaths Among Injecting Drug Users in England: A Case Control Study Using Regional Drug Misuse Databases. BMJ Group, 2001.

Citação norma MLA

Bellis, M., et al. Unexplained Illness and Deaths Among Injecting Drug Users in England: A Case Control Study Using Regional Drug Misuse Databases. BMJ Group, 2001.

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