APA (7e ed.) Bronvermelding

Clark, C. M. (2006). Iron kingdom: The rise and downfall of Prussia, 1600-1947. Belknap Press of Harvard University Press.

Chicago (17e ed.) Bronvermelding

Clark, Christopher M. Iron Kingdom: The Rise and Downfall of Prussia, 1600-1947. Cambridge, Mass.: Belknap Press of Harvard University Press, 2006.

MLA (8e ed.) Bronvermelding

Clark, Christopher M. Iron Kingdom: The Rise and Downfall of Prussia, 1600-1947. Belknap Press of Harvard University Press, 2006.