APA (7th ed.) Citation

James, G. P. R. (2012). The History of Chivalry. Project Gutenberg.

Chicago Style (17th ed.) Citation

James, G. P. R. The History of Chivalry. Project Gutenberg, 2012.

MLA (9th ed.) Citation

James, G. P. R. The History of Chivalry. Project Gutenberg, 2012.

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