Citação norma APA

Shemin, R. J., Kent, K. M., & Roberts, W. C. (1979). Syndrome of valvular pulmonary stenosis and valvular aortic stenosis with atrial septal defect.

Citação norma Chicago

Shemin, R J., K M. Kent, and W C. Roberts. Syndrome of Valvular Pulmonary Stenosis and Valvular Aortic Stenosis With Atrial Septal Defect. 1979.

Citação norma MLA

Shemin, R J., K M. Kent, and W C. Roberts. Syndrome of Valvular Pulmonary Stenosis and Valvular Aortic Stenosis With Atrial Septal Defect. 1979.

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