APA (7th ed.) Citation

Mitchell, P. C. (2005). Thomas Henry Huxley; A Sketch Of His Life And Work. Project Gutenberg.

Chicago Style (17th ed.) Citation

Mitchell, P. Chalmers. Thomas Henry Huxley; A Sketch Of His Life And Work. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Mitchell, P. Chalmers. Thomas Henry Huxley; A Sketch Of His Life And Work. Project Gutenberg, 2005.

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