APA (7th ed.) Citation

Jones, H. P. M. (2009). War Letters of a Public-School Boy. Project Gutenberg.

Chicago Style (17th ed.) Citation

Jones, Henry Paul Mainwaring. War Letters of a Public-School Boy. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Jones, Henry Paul Mainwaring. War Letters of a Public-School Boy. Project Gutenberg, 2009.

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