APA引文

Asherson, R. A., Zulman, J., & Hughes, G. R. (1989). Pulmonary thromboembolism associated with procainamide induced lupus syndrome and anticardiolipin antibodies.

Citação norma Chicago

Asherson, R A., J. Zulman, and G R. Hughes. Pulmonary Thromboembolism Associated With Procainamide Induced Lupus Syndrome and Anticardiolipin Antibodies. 1989.

MLA引文

Asherson, R A., J. Zulman, and G R. Hughes. Pulmonary Thromboembolism Associated With Procainamide Induced Lupus Syndrome and Anticardiolipin Antibodies. 1989.

警告：這些引文格式不一定是100％准確.