APA (7th ed.) Citation

Romanes, G. J. (2011). Darwin, and After Darwin, Volume 2 Post-Darwinian Questions: Heredity and Utility. Project Gutenberg.

Chicago Style (17th ed.) Citation

Romanes, George John. Darwin, and After Darwin, Volume 2 Post-Darwinian Questions: Heredity and Utility. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Romanes, George John. Darwin, and After Darwin, Volume 2 Post-Darwinian Questions: Heredity and Utility. Project Gutenberg, 2011.

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