Darwin, C. (2001). On the origin of species by means of natural selection: Or, The Preservation of favoured races in the struggle for life. Electric Book Co.
Chicago-Zitierstil (17. Ausg.)Darwin, Charles. On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life. London: Electric Book Co, 2001.
MLA-Zitierstil (9. Ausg.)Darwin, Charles. On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life. Electric Book Co, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.