APA (7th ed.) Citation

Everitt, N. (2012). British Secret Service During the Great War. Project Gutenberg.

Chicago Style (17th ed.) Citation

Everitt, Nicholas. British Secret Service During the Great War. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Everitt, Nicholas. British Secret Service During the Great War. Project Gutenberg, 2012.

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