APA (7th ed.) Citation

Lyell, C. (2010). A Manual of Elementary Geology or, The Ancient Changes of the Earth and its Inhabitants as Illustrated by Geological Monuments. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lyell, Charles. A Manual of Elementary Geology or, The Ancient Changes of the Earth and Its Inhabitants as Illustrated by Geological Monuments. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Lyell, Charles. A Manual of Elementary Geology or, The Ancient Changes of the Earth and Its Inhabitants as Illustrated by Geological Monuments. Project Gutenberg, 2010.

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