APA (7th ed.) Citation

Butler, S. (2007). Evolution, Old and New Or, the Theories of Buffon, Dr. Erasmus Darwin and Lamarck, as compared with that of Charles Darwin. Project Gutenberg.

Chicago Style (17th ed.) Citation

Butler, Samuel. Evolution, Old and New Or, the Theories of Buffon, Dr. Erasmus Darwin and Lamarck, as Compared with That of Charles Darwin. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Butler, Samuel. Evolution, Old and New Or, the Theories of Buffon, Dr. Erasmus Darwin and Lamarck, as Compared with That of Charles Darwin. Project Gutenberg, 2007.

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