@misc{Pius_II_(papież_;_1405-1464)_De,
 author={Pius II (papież ; 1405-1464)},
 address={[Rzym]},
 howpublished={online},
 publisher={[Gensberg, Johannes. Druk.]},
 language={lat},
 type={inkunabuł},
 title={De captione urbis Constantinopolitanae},
}