APA (7th ed.) Citation

Dawson, J. W. (2013). The Story of the Earth and Man. Project Gutenberg.

Chicago Style (17th ed.) Citation

Dawson, J. W. The Story of the Earth and Man. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Dawson, J. W. The Story of the Earth and Man. Project Gutenberg, 2013.

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