Cita APA (7a ed.)

Darwin, C. (1958). The Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life (1. Aufl.). Mentor Books.

Cita Chicago Style (17a ed.)

Darwin, Charles. The Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. 1. Aufl. New York: Mentor Books, 1958.

Cita MLA (8a ed.)

Darwin, Charles. The Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. 1. Aufl. Mentor Books, 1958.