Citação norma APA

Singh, D. (2003). Drug companies advised to publish unfavourable trial results. BMJ Group.

Citação norma Chicago

Singh, Debashis. Drug Companies Advised to Publish Unfavourable Trial Results. BMJ Group, 2003.

Citação norma MLA

Singh, Debashis. Drug Companies Advised to Publish Unfavourable Trial Results. BMJ Group, 2003.

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