MLA

Gilʹferding, A. F. (Aleksandr Fedorovich), 1831-1872. Obshcheslavi︠a︡nskai︠a︡ azbuka : s prilozhenīem obrazt︠s︡ov slavi︠a︡nskikh nari︠e︡chīĭ. 1871.. https://collections.library.yale.edu/catalog/31399750.

APA, 6th edition

Gilʹferding, A. F. (Aleksandr Fedorovich), 1831-1872. (1871.)[Obshcheslavi︠a︡nskai︠a︡ azbuka : s prilozhenīem obrazt︠s︡ov slavi︠a︡nskikh nari︠e︡chīĭ]. https://collections.library.yale.edu/catalog/31399750.