@misc{Mizwa_Stephen_P._(1892-1971)_Nicholas,
 author={Mizwa, Stephen P. (1892-1971)},
 copyright={Mizwa, Stephen P.},
 address={New York},
 howpublished={online},
 publisher={The Kosciuszko Foundation},
 language={eng},
 title={Nicholas Copernicus, 1543-1943},
 type={książka},
}