APA (7th ed.) Citation

Brereton, F. S., & Webb, A. (2009). With Joffre at Verdun A Story of the Western Front. Project Gutenberg.

Chicago Style (17th ed.) Citation

Brereton, F. S., and Archibald Webb. With Joffre at Verdun A Story of the Western Front. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Brereton, F. S., and Archibald Webb. With Joffre at Verdun A Story of the Western Front. Project Gutenberg, 2009.

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