Cita APA

Darwin, C. (1872). The Origin of species (6th ed.). 0.U.Pr.

Citación estilo Chicago

Darwin, Charles. The Origin of Species. 6th ed. London: 0.U.Pr, 1872.

Cita MLA

Darwin, Charles. The Origin of Species. 6th ed. 0.U.Pr, 1872.

Warning: These citations may not always be 100% accurate.