APA Style

CARDELL, K., WOLFF, , S. (2005). Germany's Foreign Policy Towards Poland and the Czech Republic Ostpolitik Revisited . London: Routledge.

MLA Style

CARDELL, Karl., WOLFF, , Stefan. "Germany's Foreign Policy Towards Poland and the Czech Republic Ostpolitik Revisited". London: Routledge, 2005. Text.