@misc{Kautsky_Karl_(1854–1938)_Historja_[1910?],
 author={Kautsky, Karl (1854–1938)},
 copyright={Public Domain},
 address={Warszawa},
 howpublished={online},
 year={[1910?]},
 publisher={Wydaw. St. Kucharskiego},
 publisher={Biblioteka Naukowa},
 language={pol},
 title={Historja rozwoju społecznego},
 type={Text},
 URL={http://rcin.org.pl/Content/33542/PDF/WA004_18849_U21283_Kautsky-Historja_oh.pdf},
 keywords={social history},
}