@misc{Nicolai_Henryk_(1605-1660)_Natalitia,
 author={Nicolai, Henryk (1605-1660)},
 howpublished={online},
 publisher={Dantisci},
 publisher={Typis Viduæ Georgii Rhetii [...]},
 language={lat},
 type={stary druk},
 title={Natalitia : Hoc est, De Nativitate Domini & Salvatoris Nostri Jesu Christi [...] Exercitatio Scholastica Singularis [...]},
}