Citação norma APA

Alexander, P. (1976). Letter: Surveillance against neoplastic cells-is it mediated by macrophages? Nature Publishing Group.

Citação norma Chicago

Alexander, P. Letter: Surveillance against Neoplastic Cells-is It Mediated By Macrophages? Nature Publishing Group, 1976.

Citação norma MLA

Alexander, P. Letter: Surveillance against Neoplastic Cells-is It Mediated By Macrophages? Nature Publishing Group, 1976.

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