Citação norma APA

(2004). Twins born after assisted conception are not at higher risk of neurological damage. BMJ Publishing Group Ltd.

Citação norma Chicago

Twins Born After Assisted Conception Are Not At Higher Risk of Neurological Damage. BMJ Publishing Group Ltd, 2004.

Citação norma MLA

Twins Born After Assisted Conception Are Not At Higher Risk of Neurological Damage. BMJ Publishing Group Ltd, 2004.

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