APA (7th ed.) Citation

Ball, W. P. (2008). Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ball, W. P. Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Ball, W. P. Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin. Project Gutenberg, 2008.

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