APA (7th ed.) Citation

Cygan, W. K., Skalski, J., & Cygan, W. K. (2005). Poland - in defence of freedom: 1939 - 1945. [Selbstverl.].

Chicago Style (17th ed.) Citation

Cygan, Wiktor Krzysztof, Jacek Skalski, and Wiktor Krzysztof Cygan. Poland - in Defence of Freedom: 1939 - 1945. Warsaw: [Selbstverl.], 2005.

MLA (9th ed.) Citation

Cygan, Wiktor Krzysztof, et al. Poland - in Defence of Freedom: 1939 - 1945. [Selbstverl.], 2005.