APA (7th ed.) Citation

Donnell, C. (2021). Eben-Emael and the defense of fortress Belgium, 1940. Pen and Sword Military.

Chicago Style (17th ed.) Citation

Donnell, Clayton. Eben-Emael and the Defense of Fortress Belgium, 1940. Barnsley, South Yorkshire, UK: Pen and Sword Military, 2021.

MLA (9th ed.) Citation

Donnell, Clayton. Eben-Emael and the Defense of Fortress Belgium, 1940. Pen and Sword Military, 2021.