Cita APA (7a ed.)

Lewington, S., & Clarke, R. (2005). Combined effects of systolic blood pressure and total cholesterol on cardiovascular disease risk.

Cita Chicago Style (17a ed.)

Lewington, S., y R. Clarke. Combined Effects of Systolic Blood Pressure and Total Cholesterol on Cardiovascular Disease Risk. 2005.

Cita MLA (9a ed.)

Lewington, S., y R. Clarke. Combined Effects of Systolic Blood Pressure and Total Cholesterol on Cardiovascular Disease Risk. 2005.