@misc{Aristoteles_(384-322_a.C.)_De,
 author={Aristoteles (384-322 a.C.)},
 address={Kraków},
 howpublished={online},
 publisher={Wietor, Hieronim (post 1480-1546/47). Druk.},
 language={lat},
 type={stary druk},
 title={De Iuventa et senectute, Vita et Morte libellus},
}