APA (7th ed.) Citation

Carlyle, T. (1997). On Heroes, Hero-Worship, and the Heroic in History. Project Gutenberg.

Chicago Style (17th ed.) Citation

Carlyle, Thomas. On Heroes, Hero-Worship, and the Heroic in History. Project Gutenberg, 1997.

MLA (9th ed.) Citation

Carlyle, Thomas. On Heroes, Hero-Worship, and the Heroic in History. Project Gutenberg, 1997.

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