APA (7th ed.) Citation

Marvin, F. S. (2009). Progress and History. Project Gutenberg.

Chicago Style (17th ed.) Citation

Marvin, Francis Sydney. Progress and History. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Marvin, Francis Sydney. Progress and History. Project Gutenberg, 2009.

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