APA (7th ed.) Citation

Darwin, C. (2019). On the origin of species. Alma Books Ltd..

Chicago Style (17th ed.) Citation

Darwin, Charles. On the Origin of Species. Surrey: Alma Books Ltd., 2019.

MLA (9th ed.) Citation

Darwin, Charles. On the Origin of Species. Alma Books Ltd., 2019.

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