Darwin, C. R. (1962). The Origin of Species. Collier Books.
Cita Chicago (17th ed.)Darwin, Charles Robert. The Origin of Species. New York: Collier Books, 1962.
Cita MLA (9th ed.)Darwin, Charles Robert. The Origin of Species. Collier Books, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.
