Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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