MLA

Famint︠s︡yn, Al. S. (Aleksandr Sergi︠e︡evich), 1841-1896. Gusli : russkiĭ narodnyĭ muzykalʹnyĭ instrumentʹ; istoricheskiĭ ocherkʹ. 1890.. https://collections.library.yale.edu/catalog/30764317.

APA, 6th edition

Famint︠s︡yn, Al. S. (Aleksandr Sergi︠e︡evich), 1841-1896. (1890.)[Gusli : russkiĭ narodnyĭ muzykalʹnyĭ instrumentʹ; istoricheskiĭ ocherkʹ]. https://collections.library.yale.edu/catalog/30764317.