MLA

Deshko Andreĭ Petrovich. Vengerskai︠a︡ Grammatika s Russkim Tekstom : i v sravnenīi s Chuvashskim i Cheremisskim i︠a︡zykami ... Morskai︠a︡ tip, 1856. https://collections.library.yale.edu/catalog/30948685.

APA, 6th edition

Deshko Andreĭ Petrovich. (1856). Vengerskai︠a︡ grammatika s russkim tekstom : i v sravnenīi s chuvashskim i cheremisskim i︠a︡zykami ... Morskai︠a︡ tip. https://collections.library.yale.edu/catalog/30948685.