APA (7th ed.) Citation

Lyell, C. (1850). Principles of geology or, the modern changes of the earth and its inhabitants, considered as illustrative of geology (8. and entirely rev. ed.). Murray.

Chicago Style (17th ed.) Citation

Lyell, Charles. Principles of Geology or, the Modern Changes of the Earth and Its Inhabitants, Considered as Illustrative of Geology. 8. and entirely rev. ed. London: Murray, 1850.

MLA (9th ed.) Citation

Lyell, Charles. Principles of Geology or, the Modern Changes of the Earth and Its Inhabitants, Considered as Illustrative of Geology. 8. and entirely rev. ed. Murray, 1850.

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