@misc{Kropotkin_Petr_Alekseevič_(1842-1921)_Modern,
 author={Kropotkin, Petr Alekseevič (1842-1921)},
 address={London},
 howpublished={online},
 publisher={Freedom Press},
 language={eng},
 title={Modern science and anarchism},
 keywords={anarchizm, anarchiści, krytyka, państwo, prawo},
}