Cita APA (7th ed.)
Darwin, C. (1958). The origin of species. New American Library.
Cita Chicago (17th ed.)
Darwin, Charles. The Origin of Species. New York: New American Library, 1958.
Cita MLA (9th ed.)
Darwin, Charles. The Origin of Species. New American Library, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.