APA (7th ed.) Citation

Zieliński, R. (1977). Katyn'. I.T.C..

Chicago Style (17th ed.) Citation

Zieliński, Ryszard. Katyn'. [Warszawa]: I.T.C., 1977.

MLA (9th ed.) Citation

Zieliński, Ryszard. Katyn'. I.T.C., 1977.

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