APA (7th ed.) Citation

Wąs, C. (2012). Katyń. Das Haus Europa.

Chicago Style (17th ed.) Citation

Wąs, Cezary. "Katyń." Das Haus Europa 2012.

MLA (8th ed.) Citation

Wąs, Cezary. "Katyń." Das Haus Europa, 2012.

Warning: These citations may not always be 100% accurate.