Citação norma APA

Butler, E. (1921). SOME OBSERVATIONS IN CASES OF FRACTURED SKULLS SEEN IN THE SAN FRANCISCO EMERGENCY HOSPITALS.

Citação norma Chicago

Butler, Edmund. SOME OBSERVATIONS IN CASES OF FRACTURED SKULLS SEEN IN THE SAN FRANCISCO EMERGENCY HOSPITALS. 1921.

Citação norma MLA

Butler, Edmund. SOME OBSERVATIONS IN CASES OF FRACTURED SKULLS SEEN IN THE SAN FRANCISCO EMERGENCY HOSPITALS. 1921.

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