APA (7th ed.) Citation

Smiles, S. (1996). Men of Invention and Industry. Project Gutenberg.

Chicago Style (17th ed.) Citation

Smiles, Samuel. Men of Invention and Industry. Project Gutenberg, 1996.

MLA (9th ed.) Citation

Smiles, Samuel. Men of Invention and Industry. Project Gutenberg, 1996.

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