MLA

Ostroumov, N. P. (Nikolaĭ Petrovich), 1846-1930. Pervyĭ opyt slovari︠a︡ narodno-tatarskago i︠a︡zyka po vygovoru kreshchenykh tatar Kazanskoĭ gubernii. 1876.. https://collections.library.yale.edu/catalog/31399921.

APA, 6th edition

Ostroumov, N. P. (Nikolaĭ Petrovich), 1846-1930. (1876.)[Pervyĭ opyt slovari︠a︡ narodno-tatarskago i︠a︡zyka po vygovoru kreshchenykh tatar Kazanskoĭ gubernii]. https://collections.library.yale.edu/catalog/31399921.