APA (7th ed.) Citation

Darwin, C. (1871). origen de las especies, El. Planeta-Agostini.

Chicago Style (17th ed.) Citation

Darwin, Charles. Origen De Las Especies, El. Barcelona: Planeta-Agostini, 1871.

MLA (8th ed.) Citation

Darwin, Charles. Origen De Las Especies, El. Planeta-Agostini, 1871.

Warning: These citations may not always be 100% accurate.