APA (7th ed.) Citation

Figuier, L. (2013). The Human Race. Project Gutenberg.

Chicago Style (17th ed.) Citation

Figuier, Louis. The Human Race. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Figuier, Louis. The Human Race. Project Gutenberg, 2013.

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