Citação norma APA

Darwin, C. (1872). On the origin of species: By means of natural selection (Sixth edition.). The Floating Press.

Citação norma Chicago

Darwin, Charles. On the Origin of Species: By Means of Natural Selection. Sixth edition. [Auckland, New Zealand]: The Floating Press, 1872.

Citação norma MLA

Darwin, Charles. On the Origin of Species: By Means of Natural Selection. Sixth edition. The Floating Press, 1872.

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