Citação norma APA

Spurrell, R. A., Smithen, C. S., & Sowton, E. (1972). Study of right bundle-branch block in association with either left anterior hemiblock or left posterior hemiblock using His bundle electrograms.

Citação norma Chicago

Spurrell, R A., C S. Smithen, and E. Sowton. Study of Right Bundle-branch Block in Association With Either Left Anterior Hemiblock or Left Posterior Hemiblock Using His Bundle Electrograms. 1972.

Citação norma MLA

Spurrell, R A., C S. Smithen, and E. Sowton. Study of Right Bundle-branch Block in Association With Either Left Anterior Hemiblock or Left Posterior Hemiblock Using His Bundle Electrograms. 1972.

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