Cita APA

(2004). Passive smoking increases the risk of heart disease. BMJ Publishing Group Ltd.

Citación estilo Chicago

Passive Smoking Increases the Risk of Heart Disease. BMJ Publishing Group Ltd, 2004.

Cita MLA

Passive Smoking Increases the Risk of Heart Disease. BMJ Publishing Group Ltd, 2004.

Precaución: Estas citas no son 100% exactas.