@misc{Werner_Fridr._Bernh._Madritum,
 author={Werner, Fridr. Bernh.},
 address={Aug. Vindel.},
 howpublished={online},
 publisher={Engelbrecht, Martin (1684-1756)},
 language={ger},
 language={lat},
 title={Madritum},
 keywords={18 w., kartografia, widoki miast, Madryt (Hiszpania)},
}