APA (7th ed.) Citation

Nicholson, H. A. (2004). The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science. Project Gutenberg.

Chicago Style (17th ed.) Citation

Nicholson, Henry Alleyne. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Nicholson, Henry Alleyne. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science. Project Gutenberg, 2004.

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