APA (7th ed.) Citation

Urban. (2003). The teutonic knights: A military history. Greenhill books.

Chicago Style (17th ed.) Citation

Urban. The Teutonic Knights: A Military History. London: Greenhill books, 2003.

MLA (8th ed.) Citation

Urban. The Teutonic Knights: A Military History. Greenhill books, 2003.

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