Fonetika russkago i drevne-t︠s︡erkovno-slavi︠a︡nskago i︠a︡zyka : opyt ėlementarnago izlozhenīi︠a︡ teorīi zvukov nazvannykh i︠a︡zykov
MLA
Romanovich, P. P. Fonetika Russkago i Drevne-t︠s︡erkovno-slavi︠a︡nskago i︠a︡zyka : Opyt ėlementarnago izlozhenīi︠a︡ teorīi Zvukov Nazvannykh i︠a︡zykov. Tip. Imp. Akademīi nauk, 1885. https://collections.library.yale.edu/catalog/30669543.
APA, 6th edition
Romanovich, P. P. (1885). Fonetika russkago i drevne-t︠s︡erkovno-slavi︠a︡nskago i︠a︡zyka : opyt ėlementarnago izlozhenīi︠a︡ teorīi zvukov nazvannykh i︠a︡zykov. Tip. Imp. Akademīi nauk. https://collections.library.yale.edu/catalog/30669543.