APA (7th ed.) Citation

Seidler & Zeigert. (2004). Hitler's secret headquarters: The Fuhrer's wartime bases, from the invasion of France to the Berlin bunker. Greenhill Books.

Chicago Style (17th ed.) Citation

Seidler and Zeigert. Hitler's Secret Headquarters: The Fuhrer's Wartime Bases, from the Invasion of France to the Berlin Bunker. London: Greenhill Books, 2004.

MLA (8th ed.) Citation

Seidler and Zeigert. Hitler's Secret Headquarters: The Fuhrer's Wartime Bases, from the Invasion of France to the Berlin Bunker. Greenhill Books, 2004.