Citação norma APA

Macafee, A. L. (1967). Blood groups and gastrointestinal cancer. A comparison of the ABO distribution by site of lesion. Ulster Medical Society.

Citação norma Chicago

Macafee, A. L. Blood Groups and Gastrointestinal Cancer. A Comparison of the ABO Distribution By Site of Lesion. Ulster Medical Society, 1967.

Citação norma MLA

Macafee, A. L. Blood Groups and Gastrointestinal Cancer. A Comparison of the ABO Distribution By Site of Lesion. Ulster Medical Society, 1967.

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