Citação norma APA

(1999). Safer non-cardiac surgery for patients with coronary artery disease. British Medical Journal.

Citação norma Chicago

Safer Non-cardiac Surgery for Patients With Coronary Artery Disease. British Medical Journal, 1999.

Citação norma MLA

Safer Non-cardiac Surgery for Patients With Coronary Artery Disease. British Medical Journal, 1999.

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