APA Alıntı

Darwin, C. A. (1999). The origin of species: By means of natural selection.

Chicago Stili Alıntı

Darwin, Charles; Author. The Origin of Species: By Means of Natural Selection. New York, Bantam Books, 1999.

MLA Alıntı

Darwin, Charles; Author. The Origin of Species: By Means of Natural Selection. 1999.