APA (7th ed.) Citation

Clark, C. M. (2006). Iron kingdom: The rise and downfall of Prussia, 1600-1947 (First published.). Allen Lane an imprint of Penguin Books.

Chicago Style (17th ed.) Citation

Clark, Christopher M.. Iron Kingdom: The Rise and Downfall of Prussia, 1600-1947. First published. London: Allen Lane an imprint of Penguin Books, 2006.

MLA (9th ed.) Citation

Clark, Christopher M.. Iron Kingdom: The Rise and Downfall of Prussia, 1600-1947. First published. Allen Lane an imprint of Penguin Books, 2006.