APA (7th ed.) Citation

Ashworth, T. (1980). Trench warfare, 1914-1918.

Chicago Style (17th ed.) Citation

Ashworth, Tony. Trench Warfare, 1914-1918. 1980.

MLA (9th ed.) Citation

Ashworth, Tony. Trench Warfare, 1914-1918. 1980.

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