Citação norma APA

Donaldson, R. M., Emanuel, R. W., & Earl, C. J. (1981). The role of two-dimensional echocardiography in the detection of potentially embolic intracardiac masses in patients with cerebral ischaemia.

Citação norma Chicago

Donaldson, R M., R W. Emanuel, e C J. Earl. The Role of Two-dimensional Echocardiography in the Detection of Potentially Embolic Intracardiac Masses in Patients With Cerebral Ischaemia. 1981.

Citação norma MLA

Donaldson, R M., R W. Emanuel, e C J. Earl. The Role of Two-dimensional Echocardiography in the Detection of Potentially Embolic Intracardiac Masses in Patients With Cerebral Ischaemia. 1981.

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