@misc{Poniatowski_Stanisław_(1884-1945)_Portrait,
 author={Poniatowski, Stanisław (1884-1945) and https://viaf.org/viaf/56736113/},
 howpublished={online},
 language={zxx},
 type={image},
 title={Portrait (Balogh with son)},
 keywords={man’s portrait, black and white photography},
}