Citação norma APA

Bird, W. (1991). The orgin of species revisited: The theories of evolution and of abrupt appearance. Regency.

Citação norma Chicago

Bird, W.R. The Orgin of Species Revisited: The Theories of Evolution and of Abrupt Appearance. Tennessee: Regency, 1991.

Citação norma MLA

Bird, W.R. The Orgin of Species Revisited: The Theories of Evolution and of Abrupt Appearance. Regency, 1991.

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