APA (7th ed.) Citation

Wolff, W. A. (2006). Facing the German foe, by Colonel James Fiske. Project Gutenberg.

Chicago Style (17th ed.) Citation

Wolff, William Almon. Facing the German Foe, by Colonel James Fiske. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Wolff, William Almon. Facing the German Foe, by Colonel James Fiske. Project Gutenberg, 2006.

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