Citação norma APA

Lawrenson, R. A., Whalley, A., Simpson, E., & Farmer, R. D. T. (1999). DoH seems to have underestimated incidence of venous thromboembolism in users of combined oral contraceptives. British Medical Journal.

Citação norma Chicago

Lawrenson, R A., A. Whalley, E. Simpson, and R D T. Farmer. DoH Seems to Have Underestimated Incidence of Venous Thromboembolism in Users of Combined Oral Contraceptives. British Medical Journal, 1999.

Citação norma MLA

Lawrenson, R A., A. Whalley, E. Simpson, and R D T. Farmer. DoH Seems to Have Underestimated Incidence of Venous Thromboembolism in Users of Combined Oral Contraceptives. British Medical Journal, 1999.

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