Cita APA

Darwin, C. R. 1., & Ridley, M. (1994). A Darwin selection. London: Fontana books.

Citación estilo Chicago

Darwin, Charles Robert 1809-1882, and Mark Ridley. A Darwin Selection. London: Fontana books, 1994.

Cita MLA

Darwin, Charles Robert 1809-1882, and Mark Ridley. A Darwin Selection. London: Fontana books, 1994.