@misc{Spinoza_Baruch_de_(1632–1677)_Benedicti_n.d.,
 author={Spinoza, Baruch de (1632–1677) and Bruder, Karl Hermann (1812–1892). Wydawca},
 copyright={Public Domain},
 address={S.l.},
 howpublished={online},
 year={n.d.},
 publisher={s.n.},
 language={lat},
 title={Benedicti de Spinoza Opera quae supersunt omnia. Vol. 1, Principia philosophiae, Cogitata metaphysica, Ethica},
 type={Text},
 URL={http://www.rcin.org.pl/Content/129043/PDF/WA248_143773_F-24-179-1_spinoza-opera_o.pdf},
 keywords={Philosophy},
}