Citação norma APA

Paterson, D. R. (1916). Large Irregular Piece of Bone, impacted in the Œsophagus, removed by Direct Method; Death from Sepsis Six Days later.

Citação norma Chicago

Paterson, D. R. Large Irregular Piece of Bone, Impacted in the Œsophagus, Removed By Direct Method; Death From Sepsis Six Days Later. 1916.

Citação norma MLA

Paterson, D. R. Large Irregular Piece of Bone, Impacted in the Œsophagus, Removed By Direct Method; Death From Sepsis Six Days Later. 1916.

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