APA (7th ed.) Citation

Kowalczyk, A. S. (1998). Pan Petlura? OPEN.

Chicago Style (17th ed.) Citation

Kowalczyk, Andrzej Stanisław. Pan Petlura? Warszawa: OPEN, 1998.

MLA (9th ed.) Citation

Kowalczyk, Andrzej Stanisław. Pan Petlura? OPEN, 1998.

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