@misc{Leon_X_(papież_;_1475-1521)_Adagium,
 author={Leon X (papież ; 1475-1521)},
 address={[S. l.]},
 howpublished={online},
 publisher={[s.n.]},
 language={lat},
 title={Adagium sive prologium in Extravagantem Leoninam [...].},
 keywords={16 w., Kolekcje Piastowskie, Bibliotheca Rudolphina},
}