@misc{Mickiewicz_Adam_(1798-1855)_Pisma_[post,
 author={Mickiewicz, Adam (1798-1855)},
 title={Pisma literackie},
 address={Lwów},
 year={[post 1911]},
 language={pol},
 type={książka},
 publisher={nakł. Księgarni H. Altenberga},
}