APA (7th ed.) Citation

Bonney, T. G. (2010). Charles Lyell and Modern Geology. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bonney, Thomas George. Charles Lyell and Modern Geology. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Bonney, Thomas George. Charles Lyell and Modern Geology. Project Gutenberg, 2010.

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