APA (7th ed.) Citation

Wragg, D. W. (2018). Operation Sealion: Hitler's invasion plan for Britain. Pen & Sword Military.

Chicago Style (17th ed.) Citation

Wragg, David W. Operation Sealion: Hitler's Invasion Plan for Britain. Barnsley, South Yorkshire, UK: Pen & Sword Military, 2018.

MLA (9th ed.) Citation

Wragg, David W. Operation Sealion: Hitler's Invasion Plan for Britain. Pen & Sword Military, 2018.