APA (7th ed.) Citation

Dunstan, S. (2005). Fort Eben Emael: The key to Hitler's victory in the west (1. publ. in Great Britain.). Osprey.

Chicago Style (17th ed.) Citation

Dunstan, Simon. Fort Eben Emael: The Key to Hitler's Victory in the West. 1. publ. in Great Britain. Oxford: Osprey, 2005.

MLA (9th ed.) Citation

Dunstan, Simon. Fort Eben Emael: The Key to Hitler's Victory in the West. 1. publ. in Great Britain. Osprey, 2005.