Szcześniak, K. Kim byli? kim są dla nas?: (Marcin Giersz, Siegfried Lenz, Günter Schiwy i Erwin Kruk) = Who were they? who are they to us? : (Marcin Giersz, Siegfried Lenz, Günter Schiwy i Erwin Kruk).
Chicago Style (17th ed.) CitationSzcześniak, Krystyna. Kim Byli? Kim Są Dla Nas?: (Marcin Giersz, Siegfried Lenz, Günter Schiwy I Erwin Kruk) = Who Were They? Who Are They to Us? : (Marcin Giersz, Siegfried Lenz, Günter Schiwy I Erwin Kruk).
MLA (9th ed.) CitationSzcześniak, Krystyna. Kim Byli? Kim Są Dla Nas?: (Marcin Giersz, Siegfried Lenz, Günter Schiwy I Erwin Kruk) = Who Were They? Who Are They to Us? : (Marcin Giersz, Siegfried Lenz, Günter Schiwy I Erwin Kruk).
Warning: These citations may not always be 100% accurate.