APA (7th ed.) Citation

Darwin, C., & Case, D. (2008). The origin of species, with ebook (Unabridged.). Tantor Media.

Chicago Style (17th ed.) Citation

Darwin, Charles, and David Case. The Origin of Species, with Ebook. Unabridged. Old Saybrook: Tantor Media, 2008.

MLA (8th ed.) Citation

Darwin, Charles, and David Case. The Origin of Species, with Ebook. Unabridged. Tantor Media, 2008.

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