APA (7th ed.) Citation

Freeman, E. A. (1997). William the Conqueror. Project Gutenberg.

Chicago Style (17th ed.) Citation

Freeman, Edward Augustus. William the Conqueror. Project Gutenberg, 1997.

MLA (9th ed.) Citation

Freeman, Edward Augustus. William the Conqueror. Project Gutenberg, 1997.

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