APA (7th ed.) Citation

Unknown. (2011). Ypres and the Battles of Ypres. Project Gutenberg.

Chicago Style (17th ed.) Citation

Unknown. Ypres and the Battles of Ypres. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Unknown. Ypres and the Battles of Ypres. Project Gutenberg, 2011.

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