(2003). The origin of species: By means of natural selection of the preservation of favored races in the struggle for life ([150th anniversary edition].). Signet classics.
Chicago-Zitierstil (17. Ausg.)The Origin of Species: By Means of Natural Selection of the Preservation of Favored Races in the Struggle for Life. [150th anniversary edition]. New York: Signet classics, 2003.
MLA-Zitierstil (9. Ausg.)The Origin of Species: By Means of Natural Selection of the Preservation of Favored Races in the Struggle for Life. [150th anniversary edition]. Signet classics, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.