APA (7th ed.) Citation

Janzyk, S. (2017). Operation Fall Weiss: German paratroopers in the Poland Campaign, 1939. Pen & Sword Military.

Chicago Style (17th ed.) Citation

Janzyk, Stephan. Operation Fall Weiss: German Paratroopers in the Poland Campaign, 1939. Barnsley, South Yorkshire, UK: Pen & Sword Military, 2017.

MLA (9th ed.) Citation

Janzyk, Stephan. Operation Fall Weiss: German Paratroopers in the Poland Campaign, 1939. Pen & Sword Military, 2017.